protected override void PushData()
        {
            base.PushData();
            ClsStaffCost lcCost = (ClsStaffCost)_Cost;

            lcCost.StaffDesc = TxtStaffDesc.Text;
        }
        protected override void UpdateDisplay()
        {
            base.UpdateDisplay();
            ClsStaffCost lcCost = (ClsStaffCost)_Cost;

            TxtStaffDesc.Text = lcCost.StaffDesc;
        }