in order to save data from access database and search from it in c# windows application form. i
created two buttons Save and Search . what codes should i write behind each of them to make
them work property.
note: it OLEDb connection
Solution
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
SqlConnection conn;
SqlCommand comm;
SqlDataReader dreader;
private void btnsave_Click(object sender, EventArgs e)
{
conn = new SqlConnection(connstring);
conn.Open();
comm = new SqlCommand(\"insert into student_detail values(\" + txtrn.Text + \",\'\" +
txtname.Text + \"\',\" + txtage.Text + \",\'\" + txtcourse.Text + \"\')\", conn);
try
{
comm.ExecuteNonQuery();
MessageBox.Show(\"Saved...\");
}
catch (Exception)
{
MessageBox.Show(\"Not Saved\");
}
finally
{
conn.Close();
}
}
private void btnsearch_Click(object sender, EventArgs e)
{
conn = new SqlConnection(connstring);
conn.Open();
comm = new SqlCommand(\"select * from student_detail where roll_no = \" + txtrn.Text
+ \" \", conn);
try
{
dreader = comm.ExecuteReader();
if (dreader.Read())
{
txtname.Text = dreader[1].ToString();
txtage.Text = dreader[2].ToString();
txtcourse.Text = dreader[3].ToString();
}
else
{
MessageBox.Show(\" No Record\");
}
dreader.Close();
}
catch (Exception)
{
MessageBox.Show(\" No Record\");
}
finally
{
conn.Close();
}
}.
in order to save data from access database and search from it in c# .pdf
1. in order to save data from access database and search from it in c# windows application form. i
created two buttons Save and Search . what codes should i write behind each of them to make
them work property.
note: it OLEDb connection
Solution
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
SqlConnection conn;
SqlCommand comm;
SqlDataReader dreader;
private void btnsave_Click(object sender, EventArgs e)
{
conn = new SqlConnection(connstring);
conn.Open();
comm = new SqlCommand("insert into student_detail values(" + txtrn.Text + ",'" +
txtname.Text + "'," + txtage.Text + ",'" + txtcourse.Text + "')", conn);
try
{
comm.ExecuteNonQuery();
MessageBox.Show("Saved...");
}
catch (Exception)
{
MessageBox.Show("Not Saved");
}
2. finally
{
conn.Close();
}
}
private void btnsearch_Click(object sender, EventArgs e)
{
conn = new SqlConnection(connstring);
conn.Open();
comm = new SqlCommand("select * from student_detail where roll_no = " + txtrn.Text
+ " ", conn);
try
{
dreader = comm.ExecuteReader();
if (dreader.Read())
{
txtname.Text = dreader[1].ToString();
txtage.Text = dreader[2].ToString();
txtcourse.Text = dreader[3].ToString();
}
else
{
MessageBox.Show(" No Record");
}
dreader.Close();
}
catch (Exception)
{
MessageBox.Show(" No Record");
}
finally
{
conn.Close();
}
}
![finally
{
conn.Close();
}
}
private void btnsearch_Click(object sender, EventArgs e)
{
conn = new SqlConnection(connstring);
conn.Open();
comm = new SqlCommand("select * from student_detail where roll_no = " + txtrn.Text
+ " ", conn);
try
{
dreader = comm.ExecuteReader();
if (dreader.Read())
{
txtname.Text = dreader[1].ToString();
txtage.Text = dreader[2].ToString();
txtcourse.Text = dreader[3].ToString();
}
else
{
MessageBox.Show(" No Record");
}
dreader.Close();
}
catch (Exception)
{
MessageBox.Show(" No Record");
}
finally
{
conn.Close();
}
}](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)