protected void ddlDistrict_SelectedIndexChanged(object sender, EventArgs e)
 {
     try
     {
         _fmsgenobj.UserDistrictId = int.Parse(ddlDistrict.SelectedItem.Value);
         var ds = _fmsgenobj.GetVehicleForDecomm();
         _helper.FillDropDownHelperMethodWithDataSet(ds, "VehicleNumber", "VehicleID", null, ddlVehicleNumber);
     }
     catch (Exception ex)
     {
         _helper.ErrorsEntry(ex);
     }
 }