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的所有關聯我有與接觸實體具有關聯關係的約會實體。我正試圖在沒有明確提供contact_id的情況下從該約會實體中移除所有關聯。這裏是我的代碼片段與創建約會實體,然後與現有的聯繫人關聯。MS動態:如何刪除實體
Entity activity = new Entity("appointment");
activity["scheduledstart"] = DateTime.Now;
activity["scheduledend"] = DateTime.Now.AddMinutes(30);
activity["subject"] = "Test Meeting";
activity["description"] = "Test Description";
activity["owneridname"] = "test_user";
activity["location"] = "Dallas";
EntityCollection attendees = new EntityCollection();
Entity attendee1 = new Entity("activityparty");
attendee1["addressused"] = "[email protected]";
attendees.Entities.Add(attendee1);
activity["requiredattendees"] = attendees;
Guid id = _service.Create(activity);
Console.WriteLine("id: " + id);
AssociateRequest associateRequest = new AssociateRequest();
associateRequest.Relationship = new Relationship("new_appointment_contact");
associateRequest.Target = new Microsoft.Xrm.Sdk.EntityReference("appointment", id);
EntityReferenceCollection referenceCollection = new EntityReferenceCollection();
Microsoft.Xrm.Sdk.EntityReference entityReference = new Microsoft.Xrm.Sdk.EntityReference("contact", new Guid("e6e71e53-b44b-e211-a81e-0050568b36bf"));
referenceCollection.Add(entityReference);
associateRequest.RelatedEntities = referenceCollection;
// Execute the request.
_service.Execute(associateRequest);
我知道使用DisassociateRequest刪除此關聯,但我不想明確提供contact_id。我只需要像.Clear()可 刪除所有聯繫人關聯。
DisassociateRequest disassociateRequest = new DisassociateRequest();
disassociateRequest.Relationship = new Relationship("new_appointment_contact");
disassociateRequest.Target = new Microsoft.Xrm.Sdk.EntityReference("appointment", id);
EntityReferenceCollection referenceCollection2 = new EntityReferenceCollection();
Microsoft.Xrm.Sdk.EntityReference entityReference2 = new Microsoft.Xrm.Sdk.EntityReference("contact", new Guid("e6e71e53-b44b-e211-a81e-0050568b36bf"));
referenceCollection2.Add(entityReference2);
disassociateRequest.RelatedEntities = referenceCollection2;
// Execute the request.
_service.Execute(disassociateRequest);