private void RestoreLastDataUsed() { // If the last used data is not null or a white space and the item exists if (!string.IsNullOrWhiteSpace(Properties.Settings.Default.LastData) && DataList.FindStringExact(Properties.Settings.Default.LastData) != -1) { // Get the number of the index and set it as selected DataList.SelectedIndex = DataList.FindStringExact(Properties.Settings.Default.LastData); } }