private void Button_Click(object sender, RoutedEventArgs e)
 {
     try
     {
         help  = Text;                                   //help contans what is curently in textbox/Text
         nanny = (((BE.Nanny) this.nannyIdComboBox.SelectedItem));
         bl.ChangeInfoNanny(nanny, help);                //adds Recommendation to nanny
         this.TextboxR.ClearValue(TextBox.TextProperty); //clears text box
     }
     catch (FormatException)
     {
         MessageBox.Show("check your input and try again");
     }
     catch (Exception ex2)
     {
         MessageBox.Show(ex2.Message);
     }
 }