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Sistema de ventas
 

Sistema de ventas

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    Sistema de ventas Sistema de ventas Document Transcript

    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 Sistema de Ventas Form1.vb Public Class Form1 Private Sub MantenimientoDeClientesToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MantenimientoDeClientesToolStripMenuItem.Click Dim frm As New FRMCLIENTES frm.MdiParent = Me frm.Show() End Sub Private Sub MantenimientoDeProdutosToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MantenimientoDeProdutosToolStripMenuItem.Click Dim frm As New frmPoductos frm.MdiParent = Me frm.Show() End Sub Private Sub CascadaToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CascadaToolStripMenuItem.Click Me.LayoutMdi(MdiLayout.Cascade) End Sub Private Sub MosaicoHorizontalToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MosaicoHorizontalToolStripMenuItem.Click Me.LayoutMdi(MdiLayout.TileHorizontal) End Sub Private Sub MosaicoVerticalToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MosaicoVerticalToolStripMenuItem.Click Me.LayoutMdi(MdiLayout.TileVertical)
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 End Sub Private Sub AcercaDeToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AcercaDeToolStripMenuItem.Click Dim frm As New Acercade frm.MdiParent = Me frm.Show() End Sub Private Sub SalirToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SalirToolStripMenuItem.Click If MessageBox.Show("¿Desea Salir de la aplicación?", "Systms Test", MessageBoxButtons.YesNo, MessageBoxIcon.Information) = Windows.Forms.DialogResult.Yes Then Me.Close() End If End Sub Private Sub MantenimientoDeBoletasToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MantenimientoDeBoletasToolStripMenuItem.Click Dim frm As New frmBoleta frm.MdiParent = Me frm.Show() End Sub Private Sub CalculadoraToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CalculadoraToolStripMenuItem.Click Dim proceso As New Process proceso.StartInfo.FileName = "calc.exe" proceso.StartInfo.Arguments = "" proceso.Start() End Sub Private Sub WordToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles WordToolStripMenuItem.Click Dim proceso As New Process proceso.StartInfo.FileName = "winword.exe" proceso.StartInfo.Arguments = "" proceso.Start() End Sub Private Sub EcxelToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles EcxelToolStripMenuItem.Click Dim proceso As New Process proceso.StartInfo.FileName = "excel.exe" proceso.StartInfo.Arguments = "" proceso.Start() End Sub Private Sub UsuariosToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles UsuariosToolStripMenuItem.Click Dim frm As New frmUsuarios frm.MdiParent = Me frm.Show() End Sub Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Dim myfrm As New frmAcceso myfrm.ShowDialog() End Sub Private Sub ApellidoClienteToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ApellidoClienteToolStripMenuItem.Click Dim frm As New frmBoletas_Clientes frm.MdiParent = Me
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 frm.Show() End Sub Private Sub FechasToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles FechasToolStripMenuItem.Click Dim frm As New frmBuscarxfecha frm.MdiParent = Me frm.Show() End Sub End Class Frmclientes.vb Imports System.Data.SqlClient Public Class FRMCLIENTES Private oDataAdapter As SqlDataAdapter Private oDataTable As DataTable Private oConnection As SqlConnection Private oDataRow As DataRow Private oCommandBuilder As SqlCommandBuilder Private PosFilaAct As Integer Private vNuevo As Boolean Private Sub Activa_Desactiva(ByVal sw As Boolean) gbdatos.Enabled = Not sw Me.btnGuardar.Enabled = Not sw Me.btnNuevo.Enabled = sw Me.btnEditar.Enabled = sw Me.btnEliminar.Enabled = sw Me.btnImprimir.Enabled = sw Me.dtgclientes.Enabled = sw End Sub Private Sub CargarDatos() Try Me.oDataRow = Me.oDataTable.Rows(Me.PosFilaAct) Me.txtid.Text = oDataRow("ID_CLIENTE") Me.txtnom.Text = oDataRow("NOM_CLIENTE") Me.txtape.Text = oDataRow("APE_CIENTE")
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 Me.txtdni.Text = oDataRow("DNI_CLIENTE") Me.txtruc.Text = oDataRow("RUC_CLIENTE") Me.txttele.Text = oDataRow("TELEFONO_CLIENTE") Me.txtdomicilio.Text = oDataRow("DOMICILIO_CLIENTE") Catch ex As Exception MessageBox.Show("Error" & Chr(13) & "No existen registros", "Cargar datos", MessageBoxButtons.OK, MessageBoxIcon.Information) End Try End Sub Private Sub FRMCLIENTES_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load oConnection = New SqlConnection("server=.SQLEXPRESS;database=DB_VENTAS;integrated security=yes") oCommandBuilder = New SqlCommandBuilder(Me.oDataAdapter) oDataAdapter = New SqlDataAdapter("Select * From TB_CLIENTES", oConnection) oDataTable = New DataTable oDataAdapter.Fill(oDataTable) dtgclientes.DataSource = oDataTable Me.dtgclientes.AllowUserToAddRows = False Me.dtgclientes.AllowUserToDeleteRows = False Me.CargarDatos() Me.Activa_Desactiva(True) End Sub Private Sub btnNuevo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnNuevo.Click For Each objControl As Control In Me.gbdatos.Controls If TypeOf objControl Is TextBox Then objControl.Text = "" End If Next vNuevo = True Activa_Desactiva(False) Me.txtnom.Focus() End Sub Private Sub btnGuardar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGuardar.Click Try For Each objControl As Control In Me.gbdatos.Controls If (TypeOf objControl Is TextBox) And objControl.Text = "" _ And Not objControl.Name = "txtid" Then MessageBox.Show("Error faltan datos en" & Chr(13) & _ objControl.Name, "Guardar", MessageBoxButtons.OK, MessageBoxIcon.Information) Exit Sub End If Next If MessageBox.Show("¿Desea guardar registro actual?", "Guardar", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then If vNuevo Then oDataRow = Me.oDataTable.NewRow End If 'oDataRow("ID_CLIENTE") = Me.txtid.Text oDataRow("NOM_CLIENTE") = Me.txtnom.Text oDataRow("APE_CIENTE") = Me.txtape.Text oDataRow("DNI_CLIENTE") = Me.txtdni.Text oDataRow("RUC_CLIENTE") = Me.txtruc.Text oDataRow("TELEFONO_CLIENTE") = Me.txttele.Text oDataRow("DOMICILIO_CLIENTE") = Me.txtdomicilio.Text
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 If vNuevo Then Me.oDataTable.Rows.Add(Me.oDataRow) Me.PosFilaAct = (Me.oDataTable.Rows.Count - 1) End If oCommandBuilder.DataAdapter = Me.oDataAdapter Me.oDataAdapter.Update(Me.oDataTable) Me.oDataTable.Clear() Me.oDataAdapter.Fill(Me.oDataTable) MessageBox.Show("Datos Guardados", "Guardar", MessageBoxButtons.OK, MessageBoxIcon.Information) Else MessageBox.Show("No se guardó el registro", "Eliminar", MessageBoxButtons.OK, MessageBoxIcon.Information) End If Activa_Desactiva(True) Me.CargarDatos() Catch ex As Exception MessageBox.Show("Error al intentar guardar registro" & Chr(13) & ex.Message, "Guardar", MessageBoxButtons.OK, MessageBoxIcon.Information) End Try End Sub Private Sub btnEditar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEditar.Click MessageBox.Show("Proceda con la edición del registro actual", "Edición", MessageBoxButtons.OK, MessageBoxIcon.Information) Me.Activa_Desactiva(False) vNuevo = False Me.txtnom.Focus() End Sub Private Sub btnEliminar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEliminar.Click Try If Me.oDataTable.Rows.Count > 0 Then If MessageBox.Show("¿Desea eliminar registro actual?", "Eliminar", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Dim strDeleteSQL As String Dim oSQLCommand As New SqlCommand strDeleteSQL = "Delete From TB_CLIENTES where ID_CLIENTE =" & CInt(Me.txtid.Text) Me.oConnection.Open() oSQLCommand.Connection = Me.oConnection oSQLCommand.CommandText = strDeleteSQL oSQLCommand.ExecuteNonQuery() Me.oConnection.Close() Me.PosFilaAct = IIf(Me.PosFilaAct > 0, Me.PosFilaAct - 1, 0) Me.oDataAdapter = New SqlDataAdapter("Select * From TB_CLIENTES", Me.oConnection) Me.oDataTable.Clear() Me.oDataAdapter.Fill(Me.oDataTable) Me.CargarDatos() End If Else MessageBox.Show("No existen registros para eliminar", "Eliminar", MessageBoxButtons.OK, MessageBoxIcon.Information) End If Catch ex As Exception MessageBox.Show("Error para eliminar", "Error", MessageBoxButtons.OK, MessageBoxIcon.Information) End Try End Sub
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 Private Sub dtgclientes_CellClick(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles dtgclientes.CellClick If Not Me.dtgclientes.Item(0, Me.dtgclientes.CurrentRow.Index).Value Is DBNull.Value Then Me.PosFilaAct = Me.dtgclientes.CurrentRow.Index Me.CargarDatos() End If End Sub Private Sub txtnom_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtnom.KeyPress sololetras(e) If e.KeyChar() = Chr(13) Then Me.txtape.Focus() End If End Sub Private Sub txtape_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtape.KeyPress sololetras(e) If e.KeyChar() = Chr(13) Then Me.txtdni.Focus() End If End Sub Private Sub txtdni_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtdni.KeyPress solonumeros(e) If e.KeyChar() = Chr(13) Then Me.txtruc.Focus() End If End Sub Private Sub txtruc_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtruc.KeyPress solonumeros(e) If e.KeyChar() = Chr(13) Then Me.txttele.Focus() End If End Sub Private Sub txttele_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txttele.KeyPress solonumeros(e) If e.KeyChar() = Chr(13) Then Me.txtdomicilio.Focus() End If End Sub Private Sub txtdomicilio_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtdomicilio.KeyPress sololetras(e) If e.KeyChar() = Chr(13) Then Me.btnGuardar.Focus() End If End Sub Private Sub txtbape_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtbape.KeyPress sololetras(e) End Sub Private Sub txtbape_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtbape.TextChanged Try Me.oDataTable.Clear() If txtbape.Text <> "" Then
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 Me.oDataAdapter = New SqlDataAdapter("Select * From TB_CLIENTES where APE_CIENTE like'" _ & txtbape.Text & "%'", Me.oConnection) Else Me.oDataAdapter = New SqlDataAdapter("Select * From TB_CLIENTES", Me.oConnection) End If Me.oDataAdapter.Fill(Me.oDataTable) Catch ex As Exception MessageBox.Show("Error al buscar" & Chr(13) & ex.Message) End Try End Sub Private Sub txtbruc_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtbruc.KeyPress solonumeros(e) End Sub Private Sub txtbruc_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtbruc.TextChanged Try Me.oDataTable.Clear() If txtbruc.Text <> "" Then Me.oDataAdapter = New SqlDataAdapter("Select * From TB_CLIENTES where RUC_CLIENTE like'" _ & txtbruc.Text & "%'", Me.oConnection) Else Me.oDataAdapter = New SqlDataAdapter("Select * From TB_CLIENTES", Me.oConnection) End If Me.oDataAdapter.Fill(Me.oDataTable) Catch ex As Exception MessageBox.Show("Error al buscar" & Chr(13) & ex.Message) End Try End Sub Private Sub txtbdni_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtbdni.KeyPress solonumeros(e) End Sub Private Sub txtbdni_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtbdni.TextChanged Try Me.oDataTable.Clear() If txtbdni.Text <> "" Then Me.oDataAdapter = New SqlDataAdapter("Select * From TB_CLIENTES where DNI_CLIENTE like'" _ & txtbdni.Text & "%'", Me.oConnection) Else Me.oDataAdapter = New SqlDataAdapter("Select * From TB_CLIENTES", Me.oConnection) End If Me.oDataAdapter.Fill(Me.oDataTable) Catch ex As Exception MessageBox.Show("Error al buscar" & Chr(13) & ex.Message) End Try End Sub Private Sub btnImprimir_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnImprimir.Click Dim myreport As New rtpclientes myreport.SetDataSource(Me.oDataTable) Dim myfrom As New frm_Reporte_clientes myfrom.crvclientes.ReportSource = myreport myfrom.WindowState = FormWindowState.Maximized myfrom.ShowDialog()
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 End Sub End Class Frmproductos.vb Imports System.Data.SqlClient Public Class frmPoductos Private oDataAdapter As SqlDataAdapter Private oDataTable As DataTable Private oConnection As SqlConnection Private oDataRow As DataRow Private oCommandBuilder As SqlCommandBuilder Private PosFilaAct As Integer Private vNuevo As Boolean Private Sub Activa_Desactiva(ByVal sw As Boolean) gbDatos.Enabled = Not sw Me.btnGuardar.Enabled = Not sw Me.btnNuevo.Enabled = sw Me.btnEditar.Enabled = sw Me.btnEliminar.Enabled = sw Me.btnImprimir.Enabled = sw Me.dtgprductos.Enabled = sw End Sub Private Sub CargarDatos() Try Me.oDataRow = Me.oDataTable.Rows(Me.PosFilaAct) Me.txtid.Text = oDataRow("ID_PRODUCTO") Me.txtnom.Text = oDataRow("NOM_PRODUCTO") Me.txtpc.Text = oDataRow("PRE_COMPRA_PRODUCTO") Me.txtpv.Text = oDataRow("PRE_VENTA_PRODUCTO") Me.txtstock.Text = oDataRow("STOCK_PRDUCTO") Me.dtpfa.Text = oDataRow("FECHA_ACTUALIZACION_PRODUCTO")
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 Catch ex As Exception MessageBox.Show("Error" & Chr(13) & "No existen registros", "Cargar datos", MessageBoxButtons.OK, MessageBoxIcon.Information) End Try End Sub Private Sub frmPoductos_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load oConnection = New SqlConnection("server=.SQLEXPRESS;database=DB_VENTAS;integrated security=yes") oCommandBuilder = New SqlCommandBuilder(Me.oDataAdapter) oDataAdapter = New SqlDataAdapter("Select * From TB_PRODUCTOS", oConnection) oDataTable = New DataTable oDataAdapter.Fill(oDataTable) dtgprductos.DataSource = oDataTable Me.dtgprductos.AllowUserToAddRows = False Me.dtgprductos.AllowUserToDeleteRows = False Me.CargarDatos() Me.Activa_Desactiva(True) End Sub Private Sub btnNuevo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnNuevo.Click For Each objControl As Control In Me.gbdatos.Controls If TypeOf objControl Is TextBox Then objControl.Text = "" End If Next vNuevo = True Activa_Desactiva(False) Me.txtnom.Focus() End Sub Private Sub btnGuardar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGuardar.Click Try For Each objControl As Control In Me.gbdatos.Controls If (TypeOf objControl Is TextBox) And objControl.Text = "" _ And Not objControl.Name = "txtid" Then MessageBox.Show("Error faltan datos en" & Chr(13) & _ objControl.Name, "Guardar", MessageBoxButtons.OK, MessageBoxIcon.Information) Exit Sub End If Next If MessageBox.Show("¿Desea guardar registro actual?", "Guardar", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then If vNuevo Then oDataRow = Me.oDataTable.NewRow End If 'oDataRow("ID_PRODUCTO") = Me.txtid.Text oDataRow("NOM_PRODUCTO") = Me.txtnom.Text oDataRow("PRE_COMPRA_PRODUCTO") = Me.txtpc.Text oDataRow("PRE_VENTA_PRODUCTO") = Me.txtpv.Text oDataRow("STOCK_PRDUCTO") = Me.txtstock.Text oDataRow("FECHA_ACTUALIZACION_PRODUCTO") = Me.dtpfa.Text If vNuevo Then Me.oDataTable.Rows.Add(Me.oDataRow) Me.PosFilaAct = (Me.oDataTable.Rows.Count - 1)
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 End If oCommandBuilder.DataAdapter = Me.oDataAdapter Me.oDataAdapter.Update(Me.oDataTable) Me.oDataTable.Clear() Me.oDataAdapter.Fill(Me.oDataTable) MessageBox.Show("Datos Guardados", "Guardar", MessageBoxButtons.OK, MessageBoxIcon.Information) Else MessageBox.Show("No se guardó el registro", "Eliminar", MessageBoxButtons.OK, MessageBoxIcon.Information) End If Activa_Desactiva(True) Me.CargarDatos() Catch ex As Exception MessageBox.Show("Error al intentar guardar registro" & Chr(13) & ex.Message, "Guardar", MessageBoxButtons.OK, MessageBoxIcon.Information) End Try End Sub Private Sub btnEditar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEditar.Click MessageBox.Show("Proceda con la edición del registro actual", "Edición", MessageBoxButtons.OK, MessageBoxIcon.Information) Me.Activa_Desactiva(False) vNuevo = False Me.txtnom.Focus() End Sub Private Sub btnEliminar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEliminar.Click Try If Me.oDataTable.Rows.Count > 0 Then If MessageBox.Show("¿Desea eliminar registro actual?", "Eliminar", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Dim strDeleteSQL As String Dim oSQLCommand As New SqlCommand strDeleteSQL = "Delete From TB_PRODUCTOS where ID_PRODUCTO =" & CInt(Me.txtid.Text) Me.oConnection.Open() oSQLCommand.Connection = Me.oConnection oSQLCommand.CommandText = strDeleteSQL oSQLCommand.ExecuteNonQuery() Me.oConnection.Close() Me.PosFilaAct = IIf(Me.PosFilaAct > 0, Me.PosFilaAct - 1, 0) Me.oDataAdapter = New SqlDataAdapter("Select * From TB_PRODUCTOS", Me.oConnection) Me.oDataTable.Clear() Me.oDataAdapter.Fill(Me.oDataTable) Me.CargarDatos() End If Else MessageBox.Show("No existen registros para eliminar", "Eliminar", MessageBoxButtons.OK, MessageBoxIcon.Information) End If Catch ex As Exception MessageBox.Show("Error para eliminar", "Error", MessageBoxButtons.OK, MessageBoxIcon.Information) End Try End Sub Private Sub dtgprductos_CellClick(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles dtgprductos.CellClick If Not Me.dtgprductos.Item(0, Me.dtgprductos.CurrentRow.Index).Value Is DBNull.Value Then Me.PosFilaAct = Me.dtgprductos.CurrentRow.Index
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 Me.CargarDatos() End If End Sub Private Sub txtbnom_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtbnom.KeyPress sololetras(e) End Sub Private Sub txtbnom_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtbnom.TextChanged Try Me.oDataTable.Clear() If txtbnom.Text <> "" Then Me.oDataAdapter = New SqlDataAdapter("Select * From TB_PRODUCTOS where NOM_PRODUCTO like'" _ & txtbnom.Text & "%'", Me.oConnection) Else Me.oDataAdapter = New SqlDataAdapter("Select * From TB_PRODUCTOS", Me.oConnection) End If Me.oDataAdapter.Fill(Me.oDataTable) Catch ex As Exception MessageBox.Show("Error al buscar" & Chr(13) & ex.Message) End Try End Sub Private Sub txtbstock_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtbstock.KeyPress solonumeros(e) End Sub Private Sub txtbstock_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtbstock.TextChanged Try Me.oDataTable.Clear() If txtbstock.Text <> "" Then Me.oDataAdapter = New SqlDataAdapter("Select * From TB_PRODUCTOS where STOCK_PRDUCTO like'" _ & txtbstock.Text & "%'", Me.oConnection) Else Me.oDataAdapter = New SqlDataAdapter("Select * From TB_PRODUCTOS", Me.oConnection) End If Me.oDataAdapter.Fill(Me.oDataTable) Catch ex As Exception MessageBox.Show("Error al buscar" & Chr(13) & ex.Message) End Try End Sub Private Sub txtnom_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtnom.KeyPress sololetras(e) If e.KeyChar() = Chr(13) Then Me.txtpc.Focus() End If End Sub Private Sub txtpc_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtpc.KeyPress solonumeros(e) If e.KeyChar() = Chr(13) Then Me.txtpv.Focus() End If End Sub
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 Private Sub txtpv_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtpv.KeyPress solonumeros(e) If e.KeyChar() = Chr(13) Then Me.txtstock.Focus() End If End Sub Private Sub txtstock_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtstock.KeyPress solonumeros(e) If e.KeyChar() = Chr(13) Then Me.dtpfa.Focus() End If End Sub Private Sub dtpfa_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles dtpfa.KeyPress If e.KeyChar() = Chr(13) Then Me.btnGuardar.Focus() End If End Sub Private Sub btnImprimir_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnImprimir.Click Dim myreport As New rptproductos myreport.SetDataSource(Me.oDataTable) Dim myfrom As New frmReporte_Productos myfrom.cvproductos.ReportSource = myreport myfrom.WindowState = FormWindowState.Maximized myfrom.ShowDialog() End Sub End Class acercade.vb Public NotInheritable Class Acercade
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 Private Sub OKButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles OKButton.Click Me.Close() End Sub End Class frmBoleta.vb Imports System.Data.SqlClient Public Class frmBoleta Private oconnection As SqlConnection Private oDTDBtmp As DataTable 'tabla temporal para manejar items Private Sub Activar_Desactivar(ByVal sw As Boolean) Me.btnBCliente.Enabled = sw Me.btnAgregarItem.Enabled = sw Me.btnEliminarItem.Enabled = sw Me.btnGuardarBoleta.Enabled = sw Me.btnImprimir.Enabled = sw Me.btnNBoleta.Enabled = Not sw End Sub Private Sub Crear_Tabla_temporal() oDTDBtmp = New DataTable("tbDetalle_Boleta_Temporal") 'crear tabla temporal Me.dtgDetalle_Boleta.DataSource = oDTDBtmp 'asignar el datasource del tdgddetalle With oDTDBtmp.Columns .Add("ID_Producto", Type.GetType("System.Int32")) .Add("Cantidad", Type.GetType("System.Int32")) .Add("Descripcion", Type.GetType("System.String"))
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 .Add("Precio", Type.GetType("System.Single")) .Add("Importe", Type.GetType("System.Single")) End With Me.dtgDetalle_Boleta.Columns(0).Visible = False oDTDBtmp.PrimaryKey = New DataColumn() {oDTDBtmp.Columns("ID_Producto")} End Sub Private Sub frmBoleta_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Try Me.oconnection = New SqlConnection("server=.sqlexpress;database=DB_VENTAS;Integrated security=true") Me.Crear_Tabla_temporal() Me.dtpfecha.Value = Now Activar_Desactivar(False) Catch ex As Exception MessageBox.Show("Error al cargar datos" & Chr(13) & ex.Message, "Error", _ MessageBoxButtons.OK, MessageBoxIcon.Error) End Try Me.Activar_Desactivar(False) End Sub Private Sub btnBCliente_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnBCliente.Click Dim myfrm As New frmAgregar_Clientes Dim respuesta As Windows.Forms.DialogResult = myfrm.ShowDialog If respuesta = Windows.Forms.DialogResult.OK Then If myfrm.dtgClientes.RowCount > 0 Then Dim filaAct As Integer = myfrm.dtgClientes.CurrentRow.Index Me.txtid.Text = myfrm.dtgClientes.Item(0, filaAct).Value Me.txtnom.Text = myfrm.dtgClientes.Item(1, filaAct).Value Me.txtape.Text = myfrm.dtgClientes.Item(2, filaAct).Value Me.txtdomicilio.Text = myfrm.dtgClientes.Item(6, filaAct).Value Me.txtdni.Text = myfrm.dtgClientes.Item(5, filaAct).Value Else MessageBox.Show("No existe Cliente Seleccionado", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error) End If End If Dim objcontrol As Control Dim txttexbox As TextBox ' for each para que no puedan cambiar sus datos que sea solo lectura For Each objcontrol In Me.gbCliente.Controls If TypeOf objcontrol Is TextBox Then txttexbox = objcontrol txttexbox.ReadOnly = True End If Next objcontrol End Sub Private Sub Calcular_Totales() 'actualizar totales Dim vtotal As Single vtotal = IIf(oDTDBtmp.Compute("Sum(Importe)", Nothing) Is DBNull.Value, 0, oDTDBtmp.Compute("Sum(Importe)", Nothing)) Me.txtTotal_Boleta.Text = Format(vtotal, "###0.00") Me.txtSon.Text = Letras(Val(Me.txtTotal_Boleta.Text)).ToUpper End Sub Private Sub btnNBoleta_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnNBoleta.Click Dim oDTBoleta As DataTable Dim oDABoleta As SqlDataAdapter
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 Activar_Desactivar(True) Dim objcontrol As Control For Each objcontrol In Me.gbCliente.Controls If TypeOf objcontrol Is TextBox Then objcontrol.Text = "" End If Next Me.txtidboleta.Text = "" Me.txtTotal_Boleta.Text = "" Me.txtSon.Text = "" Me.Crear_Tabla_temporal() oDTBoleta = New DataTable("TB_BOLETAS") oDABoleta = New SqlDataAdapter("select * from TB_BOLETAS", oconnection) oDABoleta.Fill(oDTBoleta) Dim N_Boleta As String If oDTBoleta.Rows.Count > 0 Then Dim oDatarow = oDTBoleta.Rows(oDTBoleta.Rows.Count - 1) N_Boleta = oDatarow(0) Else N_Boleta = 0 End If Me.txtidboleta.Text = Format(CInt(N_Boleta) + 1, "0000000000") End Sub Private Sub btnAgregarItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAgregarItem.Click Dim myform As New frmAgregar_Producto Dim respuesta As Windows.Forms.DialogResult = myform.ShowDialog Try If respuesta = Windows.Forms.DialogResult.OK Then Dim odatarow As DataRow odatarow = oDTDBtmp.NewRow odatarow(0) = myform.txtId_Producto.Text odatarow(1) = myform.nudCantidad.Text odatarow(2) = myform.txtDescripcion_Pro.Text odatarow(3) = myform.txtPrecio.Text odatarow(4) = myform.txtImporte.Text oDTDBtmp.Rows.Add(odatarow) oDTDBtmp.AcceptChanges() Me.Calcular_Totales() End If Catch ex As Exception MessageBox.Show("Error al agregar item" & ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error) End Try myform.Dispose() Dim objcontrol As Control Dim txttexbox As TextBox ' for each para que no puedan cambiar sus datos que sea solo lectura For Each objcontrol In Me.Panel2.Controls If TypeOf objcontrol Is TextBox Then txttexbox = objcontrol txttexbox.ReadOnly = True End If Next objcontrol End Sub Private Sub btnEliminarItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEliminarItem.Click Try If oDTDBtmp.Rows.Count > 0 Then Dim oDataRow As DataRow oDataRow = oDTDBtmp.Rows(Me.dtgDetalle_Boleta.CurrentRow.Index) oDTDBtmp.Rows.Remove(oDataRow)
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 Me.Calcular_Totales() Else MessageBox.Show("No existen items ", "error", MessageBoxButtons.OK, MessageBoxIcon.Error) End If Catch ex As Exception MessageBox.Show("error al eliminar item " & Chr(13) & ex.Message, "error", MessageBoxButtons.OK, MessageBoxIcon.Error) End Try End Sub Private Sub btnGuardarBoleta_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGuardarBoleta.Click Dim oDADetalleBoleta, oDABoleta As SqlDataAdapter Dim oDTDetalleBoleta, oDTBoleta As DataTable Dim oCommandBuilder As New SqlCommandBuilder If MessageBox.Show("¿Desea guardar registro actual ?", "guardar ", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then '---------------------------------------------------------------------------- -------------------- If Me.txtid.Text = "" Then MessageBox.Show("Debe seleccionar un cliente ", "error", MessageBoxButtons.OK, MessageBoxIcon.Information) Me.btnBCliente_Click(Nothing, Nothing) Exit Sub End If If Me.oDTDBtmp.Rows.Count <= 0 Then MessageBox.Show("no se agregaron productos", "Guardar", MessageBoxButtons.OK, MessageBoxIcon.Information) Me.btnAgregarItem_Click(Nothing, Nothing) Exit Sub End If oDTBoleta = New DataTable("TB_BOLETAS") oDABoleta = New SqlDataAdapter("Select * from TB_BOLETAS", Me.oconnection) oDABoleta.Fill(oDTBoleta) Dim oDataRowBoleta As DataRow oDataRowBoleta = oDTBoleta.NewRow oDataRowBoleta("ID_BOLETA") = Me.txtidboleta.Text oDataRowBoleta("ID_CLIENTE") = CInt(Me.txtid.Text) oDataRowBoleta("FECHA_BOLETA") = Now oDataRowBoleta("TOTAL_BOLETA") = Me.txtTotal_Boleta.Text oDTBoleta.Rows.Add(oDataRowBoleta) Dim oDataRowDetalleBoleta As DataRow oDTDetalleBoleta = New DataTable("TB_DT_BOLETAS") oDADetalleBoleta = New SqlDataAdapter("select * FROM TB_DT_BOLETAS", oconnection) oDADetalleBoleta.Fill(oDTDetalleBoleta) If Me.dtgDetalle_Boleta.RowCount > 0 Then Dim i As Integer For i = 0 To Me.dtgDetalle_Boleta.RowCount - 1 oDataRowDetalleBoleta = oDTDetalleBoleta.NewRow oDataRowDetalleBoleta("ID_BOLETA") = Me.txtidboleta.Text oDataRowDetalleBoleta("ID_PRODUCTO") = Me.dtgDetalle_Boleta.Item(0, i).Value oDataRowDetalleBoleta("PRECIO_DT_BOLETA") = Me.dtgDetalle_Boleta.Item(1, i).Value oDataRowDetalleBoleta("CANTIDAD_DT_BOLETA") = Me.dtgDetalle_Boleta.Item(3, i).Value oDataRowDetalleBoleta("REPORTE_DT_BOLETA") = Me.dtgDetalle_Boleta.Item(4, i).Value oDTDetalleBoleta.Rows.Add(oDataRowDetalleBoleta) Next
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 Try oCommandBuilder.DataAdapter = oDABoleta oDABoleta.Update(oDTBoleta) oCommandBuilder.DataAdapter = oDADetalleBoleta oDADetalleBoleta.Update(oDTDetalleBoleta) MessageBox.Show("Registro Guardado", "Guardar", MessageBoxButtons.OK, MessageBoxIcon.Information) Catch ex As Exception MessageBox.Show("Error al guardar" & Chr(13) & ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error) Me.btnNBoleta_Click(Nothing, Nothing) Exit Sub Finally Me.oDTDBtmp.Dispose() End Try End If Else MessageBox.Show("Registro no guardado", "Guardar", MessageBoxButtons.OK, MessageBoxIcon.Information) Me.btnNBoleta_Click(Nothing, Nothing) End If Activar_Desactivar(False) End Sub Private Sub dtgDetalle_Boleta_CellValueChanged(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles dtgDetalle_Boleta.CellValueChanged Dim vFilaActual As Integer = Me.dtgDetalle_Boleta.CurrentRow.Index With Me.dtgDetalle_Boleta .Item(4, vFilaActual).Value = .Item(1, vFilaActual).Value * .Item(3, vFilaActual).Value End With Me.Calcular_Totales() End Sub End Class
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 frmUsuarios.vb Imports System.Data.SqlClient Public Class frmUsuarios Private oDataAdapter As SqlDataAdapter Private oDataTable As DataTable Private oConnection As SqlConnection Private oDataRow As DataRow Private oCommandBuilder As SqlCommandBuilder Private PosFilaAct As Integer Private vNuevo As Boolean Private Sub Activa_Desactiva(ByVal sw As Boolean) gbdatos.Enabled = Not sw Me.btnGuardar.Enabled = Not sw Me.btnNuevo.Enabled = sw Me.btnEditar.Enabled = sw Me.btnEliminar.Enabled = sw Me.btnImprimir.Enabled = sw Me.dtgusuarios.Enabled = sw End Sub
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 Private Sub CargarDatos() Try Me.oDataRow = Me.oDataTable.Rows(Me.PosFilaAct) Me.txtId.Text = oDataRow("cod_usuario") Me.txtnom.Text = oDataRow("Nom_usuario") Me.txtcont.Text = "***************" Me.txtconfir.Text = "***************" Catch ex As Exception MessageBox.Show("Error" & Chr(13) & "No existen registros", "Cargar datos", MessageBoxButtons.OK, MessageBoxIcon.Information) End Try End Sub Private Sub frmUsuarios_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load oConnection = New SqlConnection("server=.SQLEXPRESS;database=DB_VENTAS;integrated security=yes") oCommandBuilder = New SqlCommandBuilder(Me.oDataAdapter) oDataAdapter = New SqlDataAdapter("Select * From TB_USUARIOS", oConnection) oDataTable = New DataTable oDataAdapter.Fill(oDataTable) dtgusuarios.DataSource = oDataTable Me.CargarDatos() Me.Activa_Desactiva(True) End Sub Private Sub btnNuevo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnNuevo.Click For Each objControl As Control In Me.gbdatos.Controls If TypeOf objControl Is TextBox Then objControl.Text = "" End If Next Activa_Desactiva(False) MessageBox.Show("Ingrese datos", "Nuevo", MessageBoxButtons.OK, MessageBoxIcon.Information) vNuevo = True Me.txtnom.Focus() End Sub Private Sub btnGuardar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGuardar.Click Try For Each objControl As Control In Me.gbdatos.Controls If (TypeOf objControl Is TextBox) And objControl.Text = "" _ And Not objControl.Name = "txtId" Then MessageBox.Show("Error faltan datos en" & Chr(13) & _ objControl.Name, "Guardar", MessageBoxButtons.OK, MessageBoxIcon.Information) Exit Sub End If Next If Me.txtcont.Text <> Me.txtconfir.Text Then MessageBox.Show("Contraseña no coincide", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error) Exit Sub End If If MessageBox.Show("¿Desea guardar registro actual?", "Guardar", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then If vNuevo Then oDataRow = Me.oDataTable.NewRow End If 'oDataRow("cod_usuario") = Me.txtId.Text oDataRow("Nom_usuario") = Me.txtnom.Text
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 oDataRow("contraseña_usuario") = ENCRIPTAR(Me.txtcont.Text) If vNuevo Then Me.oDataTable.Rows.Add(Me.oDataRow) Me.PosFilaAct = (Me.oDataTable.Rows.Count - 1) End If oCommandBuilder.DataAdapter = Me.oDataAdapter Me.oDataAdapter.Update(Me.oDataTable) Me.oDataTable.Clear() Me.oDataAdapter.Fill(Me.oDataTable) MessageBox.Show("Datos Guardados", "Guardar", MessageBoxButtons.OK, MessageBoxIcon.Information) Else MessageBox.Show("No se guardó el registro", "Eliminar", MessageBoxButtons.OK, MessageBoxIcon.Information) End If Activa_Desactiva(True) Me.CargarDatos() Catch ex As Exception MessageBox.Show("Error al intentar guardar registro" & Chr(13) & ex.Message, "Guardar", MessageBoxButtons.OK, MessageBoxIcon.Information) Me.CargarDatos() Activa_Desactiva(True) End Try End Sub Private Sub btnEditar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEditar.Click MessageBox.Show("Proceda con la edición del registro actual", "Edición", MessageBoxButtons.OK, MessageBoxIcon.Information) Me.Activa_Desactiva(False) vNuevo = False Me.txtnom.Focus() End Sub Private Sub btnEliminar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEliminar.Click Try If Me.oDataTable.Rows.Count > 0 Then If MessageBox.Show("¿Desea eliminar registro actual?", "Eliminar", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Dim strDeleteSQL As String Dim oSQLCommand As New SqlCommand strDeleteSQL = "Delete From TB_USUARIOS where cod_usuario =" & CInt(Me.txtId.Text) Me.oConnection.Open() oSQLCommand.Connection = Me.oConnection oSQLCommand.CommandText = strDeleteSQL oSQLCommand.ExecuteNonQuery() Me.oConnection.Close() Me.PosFilaAct = IIf(Me.PosFilaAct > 0, Me.PosFilaAct - 1, 0) Me.oDataAdapter = New SqlDataAdapter("Select * TB_USUARIOS", Me.oConnection) Me.oDataTable.Clear() Me.oDataAdapter.Fill(Me.oDataTable) Me.CargarDatos() End If Else MessageBox.Show("No existen registros para eliminar", "Eliminar", MessageBoxButtons.OK, MessageBoxIcon.Information) End If Catch ex As Exception MessageBox.Show("Error para eliminar", "Error", MessageBoxButtons.OK, MessageBoxIcon.Information) End Try End Sub
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 Private Sub btnImprimir_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnImprimir.Click Dim myreport As New rptUsuarios myreport.SetDataSource(Me.oDataTable) Dim myfrom As New frmReporte_Usuarios myfrom.crvUsuarios.ReportSource = myreport myfrom.WindowState = FormWindowState.Maximized myfrom.ShowDialog() End Sub Private Sub dtgusuarios_CellClick(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles dtgusuarios.CellClick If Not Me.dtgusuarios.Item(0, Me.dtgusuarios.CurrentRow.Index).Value Is DBNull.Value Then Me.PosFilaAct = Me.dtgusuarios.CurrentRow.Index Me.CargarDatos() End If End Sub Private Sub txtnom_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtnom.KeyPress sololetras(e) If e.KeyChar() = Chr(13) Then Me.txtcont.Focus() End If End Sub Private Sub txtcont_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtcont.KeyPress If e.KeyChar() = Chr(13) Then Me.txtconfir.Focus() End If End Sub Private Sub txtconfir_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtconfir.KeyPress sololetras(e) If e.KeyChar() = Chr(13) Then Me.btnGuardar.Focus() End If End Sub Private Sub txtbUsuario_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtbUsuario.KeyPress sololetras(e) End Sub Private Sub txtbUsuario_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtbUsuario.TextChanged Try Me.oDataTable.Clear() If txtbUsuario.Text <> "" Then Me.oDataAdapter = New SqlDataAdapter("Select * From TB_USUARIOS where Nom_usuario like'" _ & txtbUsuario.Text & "%'", Me.oConnection) Else Me.oDataAdapter = New SqlDataAdapter("Select * From TB_USUARIOS", Me.oConnection) End If Me.oDataAdapter.Fill(Me.oDataTable) Catch ex As Exception MessageBox.Show("Error al buscar" & Chr(13) & ex.Message) End Try End Sub End Class
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 frmAcceso.vb Imports System.Data.SqlClient Public Class frmAcceso Private oDAUsiario As SqlDataAdapter Private oDTUsuario As DataTable Private oCN As SqlConnection Private oDRUsuario As DataRow Private vAcceso As Boolean Private Sub frmAcceso_FormClosed(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosedEventArgs) Handles Me.FormClosed If Not Me.vAcceso Then Me.Dispose() Application.Exit() End If End Sub Private Sub frmAcceso_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Me.oCN = New SqlConnection Me.oCN.ConnectionString = "server=.SQLEXPRESS;database=DB_VENTAS;integrated security=yes" Me.oDAUsiario = New SqlDataAdapter("select * from TB_USUARIOS", Me.oCN) Me.oDTUsuario = New DataTable Me.oDAUsiario.Fill(Me.oDTUsuario) Me.cbousuario.DataSource = Me.oDTUsuario Me.cbousuario.DisplayMember = "Nom_usuario" Me.cbousuario.ValueMember = "cod_usuario" Me.txtcontraseña.Focus() End Sub Private Sub btnaceptar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnaceptar.Click If cbousuario.Text.Length = 0 Then MessageBox.Show("Debe seleccionar el usuario") cbousuario.Focus() Exit Sub End If If txtcontraseña.Text.Length = 0 Then MessageBox.Show("Debe ingresar contraseña") txtcontraseña.Focus() Exit Sub End If Dim odatarow = Me.oDTUsuario.Rows(Me.cbousuario.SelectedIndex) If ENCRIPTAR(Me.txtcontraseña.Text) = odatarow("contraseña_usuario") Then
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 MessageBox.Show("Bienvenido Administrador", "Systems Test", MessageBoxButtons.OK, MessageBoxIcon.Information) Me.Close() Me.vAcceso = True Else MessageBox.Show("Verifique su cuenta", "Systems Test", MessageBoxButtons.OK, MessageBoxIcon.Error) End If End Sub Private Sub btnCancelar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCancelar.Click Dim x As Integer x = MessageBox.Show("Desea detener la aplicación", "Mensaje", MessageBoxButtons.YesNo, MessageBoxIcon.Question) If x = 6 Then Me.Close() End If End Sub Private Sub txtcontraseña_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtcontraseña.KeyPress If e.KeyChar() = Chr(13) Then Me.btnaceptar.Focus() End If End Sub End Class frmBoletas_Clientes.vb Imports System.Data.SqlClient Public Class frmBoletas_Clientes Dim oCN As SqlConnection Dim oDT As DataTable Dim oDA As SqlDataAdapter Dim Cadena_Sql As String
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 Private Sub frmBoletas_Clientes_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Try Cadena_Sql = "SELECT TB_BOLETAS.ID_BOLETA, TB_CLIENTES.ID_CLIENTE, TB_CLIENTES.NOM_CLIENTE, TB_CLIENTES.APE_CIENTE, TB_BOLETAS.FECHA_BOLETA, TB_BOLETAS.TOTAL_BOLETA FROM TB_BOLETAS INNER JOIN TB_CLIENTES ON TB_BOLETAS.ID_CLIENTE = TB_CLIENTES.ID_CLIENTE " Me.oCN = New SqlConnection("server=.sqlexpress;Database=DB_VENTAS;Integrated security=true") oDT = New DataTable oDA = New SqlDataAdapter(Cadena_Sql, oCN) oDA.Fill(oDT) Me.dtgBoletas.DataSource = oDT Me.txtBuscar_cliente_TextChanged(Nothing, Nothing) Catch ex As Exception MessageBox.Show("Error al Conectar" & Chr(13) & ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error) End Try End Sub Private Sub txtBuscar_cliente_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtBuscar_cliente.TextChanged Try Dim Vtotal As Single Dim filter As String = "APE_CIENTE like'" & _ Me.txtBuscar_cliente.Text & "%'" Me.oDT.DefaultView.RowFilter = filter '================================================ Vtotal = IIf(oDT.Compute("Sum(TOTAL_BOLETA)", filter) Is DBNull.Value, 0, oDT.Compute("Sum(TOTAL_BOLETA)", filter)) Me.txtTotal.Text = Format(Vtotal, "###0.00") '================================================= txtBuscar_cliente.Focus() Catch ex As Exception MessageBox.Show("Error al buscar" & Chr(13) & ex.Message) End Try End Sub End Class
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 frmBuscarFecha.vb Imports System.Data.SqlClient Public Class frmBuscarxfecha Dim oDT As DataTable Dim oDA As SqlDataAdapter Dim oCN As SqlConnection Dim cadena_Sql As String Private Sub frmBuscarxfecha_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Try cadena_Sql = "SELECT TB_BOLETAS.ID_BOLETA, TB_CLIENTES.ID_CLIENTE, TB_CLIENTES.NOM_CLIENTE, TB_CLIENTES.APE_CIENTE, TB_BOLETAS.FECHA_BOLETA, TB_BOLETAS.TOTAL_BOLETA FROM TB_BOLETAS INNER JOIN TB_CLIENTES ON TB_BOLETAS.ID_CLIENTE = TB_CLIENTES.ID_CLIENTE" Me.oCN = New SqlConnection("server=.sqlexpress;Database=DB_VENTAS;Integrated security=true") oDT = New DataTable oDA = New SqlDataAdapter(cadena_Sql, oCN) oDA.Fill(oDT) Me.dtgboletas.DataSource = oDT Me.btnC_Click(Nothing, Nothing) Catch ex As Exception End Try End Sub Private Sub btnC_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnC.Click 'Dim fecha As Date 'Dim feini As String ' Dim fefin As String 'Dim filter As String = "TOTAL_BOLETA = 13/01/2010" 'feini = Me.dtpF1.Value.Date.ToString
    • Computación e Informática V Ciclo – Willeams Medina – acreditación_ies@hotmail.com – tlf. 972893759 'fefin = Me.dtpF2.Value.Date.ToString 'filter = fecha.Day & "/" & fecha.Month & "/" & fecha.Year 'Dim vTotal As Single 'filter = "TOTAL_BOLETA >= 13/01/2001 and TOTAL_BOLETA <= 14/01/2001" 'vTotal = IIf(oDT.Compute("Sum(TOTAL_BOLETA)", filter) Is DBNull.Value, 0, oDT.Compute("Sum(TOTAL_BOLETA)", filter)) 'Me.txttotal.Text = Format(vTotal, "###0.00") Try Dim vTotal As Single 'Dim filtro As String = "WHERE Fecha like '" & Trim(dtpDesde.Value.Date.ToString.Substring(0, 10)) & "'" Dim filtro As String = "fecha_BOLETA >= '" & Trim(dtpF1.Value.Date.ToString.Substring(0, 10)) & "' and " & "fecha_BOLETA <= '" & Trim(dtpF2.Value.Date.ToString.Substring(0, 10)) & "'" Me.oDT.DefaultView.RowFilter = filtro vTotal = IIf(oDT.Compute("SUM(TOTAL_BOLETA)", filtro) Is _ DBNull.Value, 0, oDT.Compute("SUM(TOTAL_BOLETA)", filtro)) Me.txttotal.Text = Format(vTotal, "###0.00") Catch ex As Exception MessageBox.Show("error al buscar" & Chr(13) & ex.Message, _ "error", MessageBoxButtons.OK, MessageBoxIcon.Error) End Try End Sub Private Sub btnS_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnS.Click If MessageBox.Show("¿Desea salir?", "Sistema", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then Me.Close() End If End Sub Private Sub btnI_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnI.Click Dim myreport As New rptBoletas_Fechas myreport.SetDataSource(Me.oDT.DefaultView) Dim myfrom As New frmReporte_BoletasxFechas myfrom.crvBoletas_Fechas.ReportSource = myreport myfrom.WindowState = FormWindowState.Maximized myfrom.ShowDialog() End Sub End Class