public IDictionary <string, string> GetAllScreen() { IDictionary <string, string> dic = new Dictionary <string, string>(); _commonDataAccess = new CommonDataAccess(_context); var result = _commonDataAccess.GetAllScreen(); foreach (var item in result) { dic.Add(item.ScreenId.ToString(CultureInfo.InvariantCulture), item.ScreenName); } return(dic); }