CanBeReferencingRequest クラス

適用対象: 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.

名前空間: Microsoft.Xrm.Sdk.Messages
アセンブリ: Microsoft.Xrm.Sdk (Microsoft.Xrm.Sdk.dll に含まれる)

構文

'宣言
<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

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;
    }
}

備考

Message Availability

このメッセージを機能させるには、呼び出し元がサーバーに接続されている必要があります。

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

継承階層

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

スレッド セーフ

この種類のパブリックな静的 (Visual Basic では Shared) メンバーはスレッド セーフです。インスタンス メンバーがスレッド セーフであることは保証されません。

プラットフォーム

開発プラットフォーム

Windows Vista、Windows Server 2003、および

対象プラットフォーム

Windows Vista、Windows XP

Change History

関連項目

参照

CanBeReferencingRequest のメンバー
Microsoft.Xrm.Sdk.Messages 名前空間
CanBeReferencingResponse
EligibleCreateOneToManyRelationship

他のリソース

CanBeReferencing Privileges
Sample: Create and Retrieve Entity Relationships

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