private void RefreshDgp_file() { FilePersonKeywordClient client = new FilePersonKeywordClient(); if (listBox_Files.SelectedIndex >= 0) { if (client.GetFileByPath(listBox_Files.SelectedItem.ToString()) != null) { dgp_file.ClearSelection(); dgp_file.DataSource = client.GetPeopleFile(listBox_Files.SelectedItem.ToString()); client.Close(); } } }