void ibtnDelete_Click(object sender, ImageClickEventArgs e)
{
for (int i = 0; i < trvMenu.CheckedNodes.Count; i++)
{
int MenuID = Convert.ToInt32(trvMenu.CheckedNodes[i].Value);
MenuManager.DeleteLogical(MenuID);
}
FillMenuTree();
ExitMode();
upnlMenuItem.Update();
}
#endregion