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  • 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;
            }

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  • 原文地址:https://www.cnblogs.com/jayblog/p/14668107.html
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