protected void gvExit_RowUpdating(object sender, GridViewUpdateEventArgs e)
 {
     e.Cancel = true;
     string header = (string)e.NewValues["emer_exit_title"];
     string description = (string)e.NewValues["emer_exit_desc"];
     int sequence = (int)e.Keys["sequence"];
     if (isValidExit(header))
     {
         DepartmentOrderDetailTableAdapters.DepartmentOrderEmergencyExitTableAdapter tableAdapter = new DepartmentOrderDetailTableAdapters.DepartmentOrderEmergencyExitTableAdapter();
         tableAdapter.Update(header, description, loggedInUserId, sequence, sequence);
         gvExit.EditIndex = -1;
         gvExit.DataBind();
         btnAddExit.Focus();
     }
 }