protected override void DoClosePopup(PopupCloseMode closeMode)
{
//Clear the filter textbox without
//affecting the editor's EditValue
MaskBox.SetEditValue("", "", true);
base.DoClosePopup(closeMode);
}
protected override void DoShowPopup()
{
//Clear the filter textbox without
//affecting the editor's EditValue
MaskBox.SetEditValue("", "", true);
RunFilter(force: true);
base.DoShowPopup();
}