private void delCol(object sender, RoutedEventArgs e)
{
int id = int.Parse(columns.Columns3.CurrentItem.ToString());
try
{
InterfaceLayer.DelColumn(InterfaceLayer.getBoard(), id);
errors.error = "";
refresh();
}
catch (AlmogException exi)
{
errors.error = (String)exi.Value;
}
}