private void buttonupdateChild_Click(object sender, RoutedEventArgs e)
 {
     try
     {
         buttonupdateChild.IsEnabled = true;
         bl.updateChild(child);
         MessageBox.Show("פרטי ילד עודכנו בהצלחה");
         comboBoxChoseChild.SelectedIndex = -1;
         comboBoxChoseMom.SelectedIndex   = -1;
     }
     catch (Exception Ex)
     {
         MessageBox.Show(Ex.Message);
     }
 }