Hi Shilpa,
Try this...
App.xml file
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<appSettings>
<add key="dsn" value="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=..\EMP.mdb" />
</appSettings>
</configuration>
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.OleDb;
namespace Update_delete_datagridview
{
public partial class Form1 : Form
{
OleDbDataAdapter oledbda;
OleDbCommandBuilder olcb;
DataTable dataTable;
BindingSource bindingSource;
string ConnectionString = System.Configuration.ConfigurationSettings.AppSettings["dsn"];
string str;
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
OleDbConnection con = new OleDbConnection(ConnectionString);
con.Open();
str = "SELECT * FROM student";
oledbda = new OleDbDataAdapter(str, con);
olcb = new OleDbCommandBuilder(oledbda);
dataTable = new DataTable();
oledbda.Fill(dataTable);
con.Close();
bindingSource = new BindingSource();
bindingSource.DataSource = dataTable;
dataGridView1.DataSource = bindingSource;
dataGridView1.Columns[0].Visible = false;
}
private void btnaddupdate_Click(object sender, EventArgs e)
{
try
{
oledbda.Update(dataTable);
}
catch (Exception exceptionObj)
{
MessageBox.Show(exceptionObj.Message.ToString());
}
MessageBox.Show("Records updated");
}
private void btndelete_Click(object sender, EventArgs e)
{
try
{
dataGridView1.Rows.RemoveAt(dataGridView1.CurrentRow.Index);
oledbda.Update(dataTable);
}
catch (Exception exceptionObj)
{
MessageBox.Show(exceptionObj.Message.ToString());
}
MessageBox.Show("Records Deleted");
}
}
}
Thanks
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