private void btnSort_Click(object sender, EventArgs e) { Dictionary <string, FeedbackSortType> sortTypes = new Dictionary <string, FeedbackSortType>() { { "First Name", FeedbackSortType.FIRST_NAME }, { "Last Name", FeedbackSortType.LAST_NAME }, { "DOB", FeedbackSortType.DOB } }; string selectedSortType = sortTypesList[cboSort.SelectedIndex]; FeedbackSortType sortType = sortTypes[selectedSortType]; if (radBtnAscending.Checked) { feedbackManager.Sort(sortType, ListSortDirection.Ascending); } else { feedbackManager.Sort(sortType, ListSortDirection.Descending); } ShowFirstFeedback(); }