private void bind()
{
Educom.clsqst obj = new Educom.clsqst();
GridView1.DataSource = obj.disp_rec(Convert.ToInt32(
ViewState["cod"]));
GridView1.DataBind();
}
protected void GridView2_RowEditing(object sender, GridViewEditEventArgs e)
{
Label3.Text = GridView2.DataKeys[e.NewEditIndex][1].ToString();
Educom.clsqst obj = new Educom.clsqst();
List <Educom.clsqstprp> k = obj.disp_rec(Convert.ToInt32(
GridView2.DataKeys[e.NewEditIndex][0]));
GridView3.DataSource = k;
GridView3.DataBind();
AjaxControlToolkit.ModalPopupExtender mpe = (AjaxControlToolkit.
ModalPopupExtender)
(GridView2.Rows[e.NewEditIndex].FindControl
("lk1_ModalPopupExtender"));
mpe.Show();
e.Cancel = true;
}