/// <summary>
 ///
 /// </summary>
 /// <returns></returns>
 public DataTable GetSysFunction()
 {
     try
     {
         DataTable dt = dal.GetSysFunction();
         return(Bll.Common.ChangColName(dt));
     }
     catch (Exception ex)
     {
         ILog.WriteErrorLog(ex);
         return(null);
     }
 }