protected void grdUser_RowCommand(object sender, GridViewCommandEventArgs e)
 {
     if (e.CommandName == "cmdEdit")
     {
         Response.Redirect("ChallanDelverd.aspx?chlnrcptidno=" + e.CommandArgument, true);
     }
     else if (e.CommandName == "cmddelete")
     {
         ChallanDelverdDAL objChallanDelverdDAL = new ChallanDelverdDAL();
         long value = objChallanDelverdDAL.DeleteALL(Convert.ToInt64(e.CommandArgument));
         objChallanDelverdDAL = null;
         if (value > 0)
         {
             this.Populate();
         }
     }
 }