public int Delete(NameValueCollection where, out ErrorEntity ErrInfo)
 {
     OEErrorQuestionDA da = new OEErrorQuestionDA();
     int result = da.Delete(where);
     if (result > 0)
     {
         ErrInfo = new ErrorEntity(RespCode.Success);
     }
     else
     {
         ErrInfo = new ErrorEntity(RespCode.SysError);
     }
     return result;
 }