public void BindData()
{
DataTable dt = blobj.Displaydetails();
GridView2.DataSource = dt;
GridView2.DataBind();
}
public void BindData()
{
SqlDataReader dr = blobj.Displaydetails();
GridView2.DataSource = dr;
GridView2.DataBind();
GridView2.Visible = true;
dr.Close();
}