private void btnAdd_Click(object sender, RoutedEventArgs e)
        {
            Create_Weekly_Updates CW = new Create_Weekly_Updates();

            CW.Show();
            this.Close();
        }
        private void EditButton(object sender, RoutedEventArgs e)
        {
            Button editBtn = sender as Button;

            if (editBtn != null)
            {
                SendWeeklyUpdID = editBtn.Tag as string;
                Create_Weekly_Updates CW = new Create_Weekly_Updates();
                CW.Show();
                this.Close();
            }
        }