Association and DeAssociation of Records in MSCRM

Recently, I got one requirement to Associate a Contact Record with Three Account Records.

Below is the code to Associate a Record with Multiple Records

// Associate the accounts to the contact record.

// Create a collection of the entities that will be 
// associated to the contact.

EntityReferenceCollection relatedEntities = new EntityReferenceCollection();
relatedEntities.Add(new EntityReference(Account.EntityLogicalName, _account1Id));
relatedEntities.Add(new EntityReference(Account.EntityLogicalName, _account2Id));
relatedEntities.Add(new EntityReference(Account.EntityLogicalName, _account3Id));

// Create an object that defines the relationship between the contact and account.
Relationship relationship = new Relationship(\"account_primary_contact\");

//Associate the contact with the 3 accounts.

_service.Associate(Contact.EntityLogicalName, _contactId, relationship,
    relatedEntities);

Console.WriteLine(\"The entities have been associated.\");

//Disassociate the records.
_service.Disassociate(Contact.EntityLogicalName, _contactId, relationship,
    relatedEntities);

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