private void btnSubmit_Click(object sender, RoutedEventArgs e)
        {
            DBReport report = new DBReport(SourceWindow);

            report.Show();
            this.Close();
        }
 private void btnSubmit_Click(object sender, RoutedEventArgs e)
 {
     DBReport report = new DBReport(SourceWindow);
     report.Show();
     this.Close();
 }