private string CheckExistingFile(PhotoType type, string photoName, string fullPath) { if (!File.Exists(fullPath)) { if (chboxMakeNull.Checked) { PhotoService.DeletePhotoWithPath(type, photoName); return string.Format("File {0} deleted<br />", fullPath); } return string.Format("File {0} will be deleted<br />", fullPath); } return ""; }