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1. CODIGO PARA EL FORMULARIO frm_Entradas
Private SubComboBox1_Change()
DimFilaAs Integer
DimFinal As Integer
If ComboBox1.Value="" Then
Me.txt_Nombre =""
Me.txt_Saldo= ""
End If
For Fila= 2 To 1000
If Hoja2.Cells(Fila,1) = "" AndHoja5.Cells(Fila,1) = "" Then
Final = Fila- 1
ExitFor
EndIf
Next
For Fila= 2 To Final
If ComboBox1= Hoja2.Cells(Fila,1) Then
Me.txt_Nombre =Hoja2.Cells(Fila,2)
ExitFor
EndIf
Next

2. For Fila= 2 To Final
If ComboBox1= Hoja5.Cells(Fila,1) Then
Me.txt_Saldo=Hoja5.Cells(Fila,3)
ExitFor
EndIf
Next
End Sub
Private SubComboBox1_Enter()
DimFilaAs Integer
DimFinal As Integer
DimLista As String
For Fila= 1 To ComboBox1.ListCount
ComboBox1.RemoveItem0
NextFila
For Fila= 2 To 1000
If Hoja2.Cells(Fila,1) = "" Then
Final = Fila- 1
ExitFor
EndIf
Next

3. For Fila= 2 To Final
Lista= Hoja2.Cells(Fila,1)
ComboBox1.AddItem(Lista)
Next
End Sub
Private SubCommandButton1_Click()
DimFilaAs Integer
DimFinal As Integer
DimExistenciaAsInteger
DimTotal AsInteger
For Fila= 2 To 1000
If Hoja3.Cells(Fila,1) = "" Then
Final = Fila
ExitFor
EndIf
Next
Hoja3.Cells(Final,1) = Me.ComboBox1
Hoja3.Cells(Final,2) = Me.txt_Nombre
Hoja3.Cells(Final,3) = Me.txt_FechaIng
Hoja3.Cells(Final,4) = Me.txt_Factura

4. Hoja3.Cells(Final,5) = Me.txt_Proveedor
Hoja3.Cells(Final,6) = Me.txt_Cantidad
For Fila= 2 To 1000
If Hoja5.Cells(Fila,1) = Hoja3.Cells(Final,1) Then
Existencia=Hoja5.Cells(Fila,3)
Total = Me.txt_Cantidad+Existencia
Hoja5.Cells(Fila,3) = Total
ExitFor
EndIf
Next
Me.ComboBox1=""
Me.txt_Nombre =""
Me.txt_FechaIng=""
Me.txt_Factura= ""
Me.txt_Proveedor=""
Me.txt_Cantidad=""
End Sub
Private SubCommandButton2_Click()
UnloadMe
End Sub

5. CODIGO frm_Menu
Private SubCommandButton1_Click()
frm_RegistrarProducto.Show
End Sub
Private SubCommandButton2_Click()
frm_ModificarProducto.Show
End Sub
Private SubCommandButton3_Click()
frm_Entradas.Show
End Sub
CODIGO frm_ModificarProducto
Private SubComboBox1_Change()
DimFilaAs Integer
DimFinal As Integer
If ComboBox1.Value="" Then
Me.txt_Nombre =""
Me.txt_Descrip= ""
End If
For Fila= 2 To 1000
If Hoja2.Cells(Fila,1) = "" Then
Final = Fila- 1
ExitFor
EndIf
Next

6. For Fila= 2 To Final
If ComboBox1= Hoja2.Cells(Fila,1) Then
Me.txt_Nombre =Hoja2.Cells(Fila,2)
Me.txt_Descrip=Hoja2.Cells(Fila,3)
ExitFor
EndIf
Next
End Sub
Private SubComboBox1_Enter()
DimFilaAs Integer
DimFinal As Integer
DimLista As String
For Fila= 1 To ComboBox1.ListCount
ComboBox1.RemoveItem0
NextFila
For Fila= 2 To 1000
If Hoja2.Cells(Fila,1) = "" Then
Final = Fila- 1
ExitFor

7. EndIf
Next
For Fila= 2 To Final
Lista= Hoja2.Cells(Fila,1)
ComboBox1.AddItem(Lista)
Next
End Sub
Private SubCommandButton1_Click()
Dim FilaAsInteger
Dim Final AsInteger
For Fila= 2 To 1000
If Hoja2.Cells(Fila,1) = "" AndHoja3.Cells(Fila,1) = "" AndHoja5.Cells(Fila,1) ="" Then
Final = Fila- 1
ExitFor
EndIf
Next
For Fila= 2 To Final
If Me.ComboBox1= Hoja2.Cells(Fila, 1) Then
Hoja2.Cells(Fila,2) = Me.txt_Nombre
Hoja2.Cells(Fila,3) = Me.txt_Descrip

8. ExitFor
EndIf
Next
'-------------------------------------------------
For Fila= 2 To Final
If Me.ComboBox1= Hoja3.Cells(Fila,1) Then
Hoja3.Cells(Fila,2) = Me.txt_Nombre
EndIf
Next
For Fila= 2 To Final
If Me.ComboBox1= Hoja5.Cells(Fila,1) Then
Hoja5.Cells(Fila,2) = Me.txt_Nombre
ExitFor
EndIf
Next
'-------------------------------------------------
Me.ComboBox1= ""
Me.txt_Nombre =""
Me.txt_Descrip= ""

9. End Sub
Private SubCommandButton2_Click()
UnloadMe
End Sub
CODIGO frm_RegistrarProducto
Private SubCommandButton1_Click()
Dim FilaAsInteger
Dim Final AsInteger
Dim RegistroAsInteger
ForFila= 1 To 1000
If Hoja2.Cells(Fila,1) = "" Then
Final = Fila
ExitFor
End If
Next
ForRegistro= 2 To Final
If Hoja2.Cells(Registro,1) = Me.txt_CodProdThen
Me.txt_CodProd.BackColor=&H8080FF
MsgBox ("Registroyaexiste"+Chr(13) + "Ingrese uncódigodiferente")
Me.txt_CodProd.SetFocus

10. ExitSub
ExitFor
End If
Next
If MsgBox("Soncorrectoslosdatos?"+ Chr(13) + "Deseaproceder?",vbOKCancel) =vbOKThen
Me.txt_CodProd.BackColor=&HFFFFFF
Hoja2.Cells(Final,1) = Me.txt_CodProd
Hoja2.Cells(Final,2) = Me.txt_Nombre
Hoja2.Cells(Final,3) = Me.txt_Descrip
'-----------------------------------------------
Hoja5.Cells(Final,1) = Me.txt_CodProd
Hoja5.Cells(Final,2) = Me.txt_Nombre
Hoja5.Cells(Final,3) = 0
'-----------------------------------------------
Me.txt_CodProd=""
Me.txt_Nombre =""
Me.txt_Descrip= ""
Me.txt_CodProd.SetFocus
Else
ExitSub
End If
End Sub
Private Sub CommandButton2_Click()
UnloadMe

11. End Sub
MODULO 1
SubMenu_Principal()
frm_Menu.Show
End Sub