CanBeReferencedRequest クラス

適用対象: 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.

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 CanBeReferencedRequest
    Inherits OrganizationRequest

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

例

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 CanBeReferencedResponse class.

Privileges and Access Rights

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

継承階層

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

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

CanBeReferencedRequest のメンバー
Microsoft.Xrm.Sdk.Messages 名前空間
EligibleCreateOneToManyRelationship
CanBeReferencedResponse

他のリソース

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

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