Type a id in text box and click on the search
button it will show the mach data by the typed id
private void button1_Click(object sender, EventArgs e)
{
string se;
se = "select * from ja where id = @id";
SqlConnection con = new SqlConnection();
con.ConnectionString = "data source= Jbb-690ab60e108; Initial catalog = datamaster; Integrated security = true";
con.Open();
SqlCommand cmd = new SqlCommand();
cmd.Connection = con;
cmd.CommandText = se;
SqlParameter pp = cmd.Parameters.Add("@id", SqlDbType.VarChar, 10);
pp.Value = textBox1.Text;
SqlDataAdapter adapter = new
SqlDataAdapter(cmd);
DataTable dt = new DataTable();
adapter.Fill(dt);
{
dataGridView1.DataSource = dt;
}