Classe CanBeReferencingRequest

Article
12/01/2014

S'applique à: CRM 2015 on-prem, CRM Online

Contains the data that is needed to check whether an entity can be the referencing entity in a one-to-many relationship.

Espace de noms: Microsoft.Xrm.Sdk.Messages
Assembly: Microsoft.Xrm.Sdk (dans Microsoft.Xrm.Sdk.dll)

Syntaxe

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

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

Exemple

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;
    }
}

Remarques

Message Availability

Pour que ce message fonctionne, l'appelant doit être connecté au serveur.

Usage

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

Privileges and Access Rights

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

Notes for Callers

Hiérarchie d'héritage

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

Cohérence de thread

Tous les membres statiques publics (Shared dans Visual Basic) de ce type sont thread-safe. Tous les membres d'instance ne sont pas garantis thread-safe.

Plateformes

Plateformes de développement

Windows Vista, Windows Server 2003 et

Plateformes cibles

Windows Vista,Windows XP

Change History

Voir aussi

Référence

Membres CanBeReferencingRequest
Espace de noms Microsoft.Xrm.Sdk.Messages
CanBeReferencingResponse
EligibleCreateOneToManyRelationship

Autres ressources

CanBeReferencing Privileges
Sample: Create and Retrieve Entity Relationships

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