Fetch 别名查找

   if (PlanClass.Attributes.Contains("new_excelcolor_avg"))
                                    {
                                        ClassColorNum = ((AliasedValue)PlanClass["new_excelcolor_avg"]).Value.ToString();
                                    }
 
 
 
  private EntityCollection GetPlanClassesCollection(OrganizationServiceProxy organizationServiceProxy, string CenterGuid, DateTime RetrieveDate)
        {
            //返回值
            EntityCollection PlanClassCollection = null;
            try
            {
                string PlanClassQuery = "<fetch version='1.0' output-format='xml-platform' mapping='logical' distinct='false'>" +
                                                      "<entity name='new_planclass'>" +
                                                        "<attribute name='new_name' />" +
                                                        "<attribute name='new_planclassid' />" +
                                                        "<attribute name='new_course' />" +
                                                        "<attribute name='new_begintime' />" +
                                                        "<attribute name='new_classroom' />" +
                                                        "<attribute name='new_endtime' />" +
                                                        "<attribute name='createdon' />" +
                                                        "<attribute name='statecode' />" +
                                                        "<attribute name='new_subject' />" +
                                                        "<attribute name='new_maxnum' />" +
                                                        "<attribute name='new_coursetype' />" +
                                                        "<attribute name='new_chineseteacher' />" +
                                                        "<attribute name='ownerid' />" +
                                                        "<attribute name='new_ordernum' />" +
                                                        "<attribute name='new_ordermember' />" +
                                                        "<order attribute='new_name' descending='false' />" +
                                                        "<filter type='and'>" +
                                                          "<condition attribute='new_center' operator='eq' value='" + CenterGuid + "' />" +
                                                          "<condition attribute='new_begintime' operator='on' value='" + RetrieveDate.ToString() + "' />" +
                                                        "</filter>" +
                                                        "<link-entity name='new_kidsclassroom' from='new_kidsclassroomid' to='new_classroom' visible='false' link-type='outer'>" +
                                                          "<attribute name='new_shortname' alias='new_shortname_avg'/>" +
                                                        "</link-entity>" +
                                                        "<link-entity name='new_course' from='new_courseid' to='new_course' visible='false' link-type='outer'>" +
                                                          "<attribute name='new_excelcolor' alias='new_excelcolor_avg'/>" +
                                                          "<attribute name='new_courseshortname' alias='new_courseshortname_avg'/>" +
                                                        "</link-entity>" +
                                                      "</entity>" +
                                                    "</fetch>";
                PlanClassCollection = organizationServiceProxy.RetrieveMultiple(new FetchExpression(PlanClassQuery));
            }
            catch (Exception ex)
            {
                PlanClassCollection = null;
            }
            return PlanClassCollection;
        }

posted @ 2021-04-16 17:40  周捷Jay  阅读(73)  评论(0编辑  收藏  举报