private void Button_Click(object sender, RoutedEventArgs e)
        {

            try
            {
                foreach (int i in changedItemsID)
                {
                    Work_Week_Database_Connector.update(changedItemsID[i], changedItems[i].Text);
                }
                Status.Content = "Saved Successfully";
            }
            catch (Exception ex) { Status.Content = "Failed"; }
        }