public override void DoAdd(IButtonInfo sender)
        {
            frmCustomerEditor.Execute(this, EditorType.Add);
        }

        public override void DoDelete(IButtonInfo sender)
        {
            AssertFocusedRow();
            frmCustomerEditor.Execute(this, EditorType.Delete);
        }

        public override void DoEdit(IButtonInfo sender)
        {
            AssertFocusedRow();
            frmCustomerEditor.Execute(this, EditorType.Modify);
        }

        public override void DoViewContent(IButtonInfo sender)
        {
            AssertFocusedRow();
            frmCustomerEditor.Execute(this, EditorType.View);
        }