In this blog we will know how to Insert Update Delete
DataGridView.
App.config
<?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>
Form1.cs
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 Insert_Update_Delete_DataGridView
{
public partial
class Form1
: Form
{
string ConnectionString =
System.Configuration.ConfigurationSettings.AppSettings["dsn"];
OleDbCommand com;
OleDbDataAdapter
oledbda;
string str;
DataSet ds;
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object
sender, EventArgs e)
{
bindgrid();
}
private void bindgrid()
{
OleDbConnection con
= new OleDbConnection(ConnectionString);
con.Open();
str = "select * from
employee";
com = new OleDbCommand(str, con);
oledbda = new OleDbDataAdapter(com);
ds = new DataSet();
oledbda.Fill(ds,
"employee");
dataGridView1.DataMember="employee";
dataGridView1.DataSource = ds;
con.Close();
}
private void Clear()
{
txt_sno.Text = "";
txt_name.Text = "";
txt_address.Text = "";
txt_age.Text = "";
}
private void btn_edit_Click(object
sender, EventArgs e)
{
int i;
i = dataGridView1.SelectedCells[0].RowIndex;
txt_sno.Text =
dataGridView1.Rows[i].Cells[1].Value.ToString();
txt_name.Text =
dataGridView1.Rows[i].Cells[2].Value.ToString();
txt_address.Text =
dataGridView1.Rows[i].Cells[3].Value.ToString();
txt_age.Text = dataGridView1.Rows[i].Cells[4].Value.ToString();
}
private void btn_update_Click(object
sender, EventArgs e)
{
OleDbConnection con
= new OleDbConnection(ConnectionString);
con.Open();
str = "Update employee
set sno=@sno,name=@name,address=@address,age=@age Where sno=@sno";
com = new OleDbCommand(str, con);
com.Parameters.AddWithValue("@sno",
txt_sno.Text);
com.Parameters.AddWithValue("@name",
txt_name.Text);
com.Parameters.AddWithValue("@address",
txt_address.Text);
com.Parameters.AddWithValue("@age",
txt_age.Text);
com.ExecuteNonQuery();
MessageBox.Show("Record Successfully Updated");
con.Close();
bindgrid();
Clear();
}
private void btn_delete_Click(object
sender, EventArgs e)
{
OleDbConnection con
= new OleDbConnection(ConnectionString);
com = new OleDbCommand();
if (dataGridView1.Rows.Count
> 1 && dataGridView1.SelectedRows[0].Index !=
dataGridView1.Rows.Count - 1)
{
com.CommandText = "DELETE
FROM employee WHERE ID=" +
dataGridView1.SelectedRows[0].Cells[0].Value.ToString() + "";
con.Open();
com.Connection = con;
com.ExecuteNonQuery();
con.Close();
dataGridView1.Rows.RemoveAt(dataGridView1.SelectedRows[0].Index);
MessageBox.Show("Record Successfully Deleted");
}
bindgrid();
}
private void btn_insert_Click(object
sender, EventArgs e)
{
OleDbConnection con
= new OleDbConnection(ConnectionString);
con.Open();
str = "Insert into
employee(sno,name,address,age) Values (@sno,@name,@address,@age)";
com = new OleDbCommand(str, con);
com.Parameters.AddWithValue("@sno",
txt_sno.Text);
com.Parameters.AddWithValue("@name",
txt_name.Text);
com.Parameters.AddWithValue("@address",
txt_address.Text);
com.Parameters.AddWithValue("@age",
txt_age.Text);
com.ExecuteNonQuery();
con.Close();
MessageBox.Show("Record Successfully Inserted");
bindgrid();
Clear();
}
}
}
Thanks for reading