/// <summary>
        /// Event handler for double clicking a search result, which opens a record card containing further
        /// information on the sample.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Row_DoubleClick(object sender, MouseButtonEventArgs e)
        {
            DataGridRow  row    = sender as DataGridRow;
            SearchResult search = (SearchResult)row.Item; //casts the row data back to a search result object

            recordWindow = new RecordWindow(search);
            recordWindow.ShowDialog();
        }
 /// <summary>
 /// Event handler for the "Add New Record" Button, opens empty RecordWindow
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void Button_Click(object sender, RoutedEventArgs e)
 {
     recordWindow = new RecordWindow();
     recordWindow.Show();
 }