public string LoadData(PageInfo <DataType> pageInfo, DataType oSearchEntity = null, string sOperator = null, int iOrderGroup = 0, string sSortName = null, string sSortOrder = null)
{
return(JsonHelper.ObjectToJSON(_dataTypeService.GetPageList(pageInfo, oSearchEntity, sOperator, iOrderGroup, sSortName, sSortOrder)));
}