Classe CanBeReferencedRequest

Artigo
12/03/2014

Aplica-se a: CRM 2015 on-prem, CRM Online

Contains the data that is needed to check whether the specified entity can be the primary entity (one) in a one-to-many relationship.

Namespace: Microsoft.Xrm.Sdk.Messages
Assembly: Microsoft.Xrm.Sdk (em Microsoft.Xrm.Sdk.dll)

Sintaxe

'Declaração
<DataContractAttribute(Namespace:="https://schemas.microsoft.com/xrm/2011/Contracts")> _
Public NotInheritable Class CanBeReferencedRequest
    Inherits OrganizationRequest

[DataContractAttribute(Namespace="https://schemas.microsoft.com/xrm/2011/Contracts")] 
public sealed class CanBeReferencedRequest : OrganizationRequest

Exemplo

The following example shows how to use this message. For this sample to work correctly, you must be connected to the server to get an IOrganizationService interface. For the complete sample, see the link later in this topic.

/// <summary>
/// Determines whether two entities are eligible to participate in a relationship
/// </summary>
/// <param name="referencedEntity">Primary Entity</param>
/// <param name="referencingEntity">Referencing Entity</param>
/// <returns></returns>
public bool EligibleCreateOneToManyRelationship(string referencedEntity, 
    string referencingEntity)
{
    //Checks whether the specified entity can be the primary entity in one-to-many
    //relationship.
    CanBeReferencedRequest canBeReferencedRequest = new CanBeReferencedRequest
    {
        EntityName = referencedEntity
    };

    CanBeReferencedResponse canBeReferencedResponse =
        (CanBeReferencedResponse)_serviceProxy.Execute(canBeReferencedRequest);

    if (!canBeReferencedResponse.CanBeReferenced)
    {
        Console.WriteLine(
            "Entity {0} can't be the primary entity in this one-to-many relationship", 
            referencedEntity);
    }

    //Checks whether the specified entity can be the referencing entity in one-to-many
    //relationship.
    CanBeReferencingRequest canBereferencingRequest = new CanBeReferencingRequest
    {
        EntityName = referencingEntity
    };

    CanBeReferencingResponse canBeReferencingResponse =
        (CanBeReferencingResponse)_serviceProxy.Execute(canBereferencingRequest);

    if (!canBeReferencingResponse.CanBeReferencing)
    {
        Console.WriteLine(
            "Entity {0} can't be the referencing entity in this one-to-many relationship", 
            referencingEntity);
    }


    if (canBeReferencedResponse.CanBeReferenced == true
        && canBeReferencingResponse.CanBeReferencing == true)
    {
        return true;
    }
    else
    {
        return false;
    }
}

Comentários

Message Availability

Para que esta mensagem funcione, o chamador deve estar conectado ao servidor.

Usage

Pass an instance of this class to the Execute method, which returns an instance of the CanBeReferencedResponse class.

Privileges and Access Rights

To perform this action, the caller must have the required privileges, as listed in CanBeReferenced Privileges.

Hierarquia de Herança

System.Object
Microsoft.Xrm.Sdk.OrganizationRequest
Microsoft.Xrm.Sdk.Messages.CanBeReferencedRequest

Segurança do Thread

Todos os membros estáticos (Shared in Visual Basic) desse tipo são protegidos por thread. Não há nenhum garantia de que os membros de instância sejam protegidos por thread.

Plataformas

Plataformas de desenvolvimento

Windows Vista, Windows Server 2003 e

Plataformas de destino

Windows Vista,Windows XP

Change History

Consulte também

Referência

Membros de CanBeReferencedRequest
Namespace Microsoft.Xrm.Sdk.Messages
EligibleCreateOneToManyRelationship
CanBeReferencedResponse

Outros recursos

Sample: Create and Retrieve Entity Relationships
Entity Relationship Eligibility
CanBeReferenced Privileges

Partilhar via