Creating Many to Many Records in CRM 2011(N:N) using C#

There is a bit of change in CRM 2011 than CRM 4. The code is below.

Microsoft.Xrm.Sdk.EntityReference Moniker1 = new Microsoft.Xrm.Sdk.EntityReference();

Moniker1.Id = ProductID;

Moniker1.Name = "product";//Entity Name

                   

 

// Code Create Moniker for second Entity: New_CustomEntity

Microsoft.Xrm.Sdk.EntityReference Moniker2 = new Microsoft.Xrm.Sdk.EntityReference();

Moniker2.Id = contactid;

Moniker2.Name = "contact";//Entity Name

AssociateManyToManyEntityRecords(Moniker1, Moniker2, “product_contact”);

public bool AssociateManyToManyEntityRecords(Microsoft.Xrm.Sdk.EntityReference moniker1, Microsoft.Xrm.Sdk.EntityReference moniker2, string strEntityRelationshipName)

        {

            try

            {

                // Create an AssociateEntities request.

//Namespace is Microsoft.Crm.Sdk.Messages

                AssociateEntitiesRequest request = new AssociateEntitiesRequest();

                // Set the ID of Moniker1 to the ID of the lead.

                request.Moniker1 = new EntityReference { Id = moniker1.Id, LogicalName = moniker1.Name };

                // Set the ID of Moniker2 to the ID of the contact.

                request.Moniker2 = new EntityReference { Id = moniker2.Id, LogicalName = moniker2.Name };

                // Set the relationship name to associate on.

                request.RelationshipName = strEntityRelationshipName;

               

                // Execute the request.

                this.Service.Execute(request);

 

                return true;

            }