SqlConnection con = new SqlConnection("Data Source=SREENI4;Initial Catalog=master;User ID=sa;Password=sreeni");
con.Open();
SqlDataAdapter dat = new SqlDataAdapter("select * from emp", con);
DataSet ds = new DataSet();
dat.Fill(ds);
GridView1.DataSource = ds.Tables[0];
gv_display.DataSource = proList;
ButtonField btn_edit = new ButtonField();
btn_edit.Text = "Edit";
btn_edit.ButtonType = ButtonType.Button;
btn_edit.HeaderText = "Edit";
btn_edit.ImageUrl = "~/4341_2_10.jpg";
ButtonField btn_delete = new ButtonField();
btn_delete.Text = "Delete";
btn_delete.ButtonType = ButtonType.Button;
btn_delete.HeaderText = "Delete";
btn_delete.ImageUrl = "~/4341_2_11.jpg";
gv_display.Columns.Add(btn_edit);
gv_display.Columns.Add(btn_delete);
gv_display.DataBind();