/// <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();
        }