Exemple : interroger les rôles de connexion par code de type d’entité (liaison anticipée)
Date de publication : novembre 2016
S’applique à : Dynamics CRM 2015
Cet exemple de code est pour Mise à jour de Microsoft Dynamics CRM 2015 et de Microsoft Dynamics CRM Online 2015. Téléchargez le package Kit de développement logiciel (SDK) de Microsoft Dynamics CRM. Il se trouve à l'emplacement suivant dans le package de téléchargement :
SampleCode\\CS\\BusinessDataModel\\BusinessManagement\\QueryConnectionRolesByEntityTypeCode.cs
Configuration requise
Pour plus d'informations sur les conditions requises pour l'exécution de l'exemple de code fourni dans ce Kit de développement logiciel (SDK), consultez la rubrique Utiliser l’exemple de code et le code d’assistance.
Démontre
Cet exemple montre comment utiliser une requête pour rechercher un rôle de connexion d’une entité Account en spécifiant code de type d’entité.
Exemple
using System;
using System.ServiceModel;
// These namespaces are found in the Microsoft.Xrm.Sdk.dll assembly
// found in the SDK\bin folder.
using Microsoft.Xrm.Sdk;
using Microsoft.Xrm.Sdk.Client;
using Microsoft.Xrm.Sdk.Query;
namespace Microsoft.Crm.Sdk.Samples
{
/// <summary>
/// This sample shows how to find connection roles by object type code.
/// </summary>
public class QueryConnectionRolesByEntityTypeCode
{
#region Class Level Members
/// <summary>
/// Stores the organization service proxy.
/// </summary>
private OrganizationServiceProxy _serviceProxy;
// Define the IDs needed for this sample.
private Guid _connectionRoleId;
#endregion Class Level Members
#region How To Sample Code
/// <summary>
/// This sample creates a role that is not linked to any entity type. All
/// connection roles that apply to all are found and shown. Then the role is
/// linked to the account entity and it is demonstrated that the role only works
/// for accounts at this point, not for all. Subsequently the link to the account
/// entity is removed and it is shown that the role is now applicable to all
/// entities again.
/// </summary>
/// <param name="serverConfig">Contains server connection information.</param>
/// <param name="promptforDelete">When True, the user will be prompted to delete all
/// created entities.</param>
public void Run(ServerConnection.Configuration serverConfig, bool promptForDelete)
{
try
{
// Connect to the Organization service.
// The using statement assures that the service proxy will be properly disposed.
using (_serviceProxy = new OrganizationServiceProxy(serverConfig.OrganizationUri, serverConfig.HomeRealmUri,serverConfig.Credentials, serverConfig.DeviceCredentials))
{
// This statement is required to enable early-bound type support.
_serviceProxy.EnableProxyTypes();
// Define some anonymous types to define the range
// of possible connection property values.
var Categories = new
{
Business = 1,
Family = 2,
Social = 3,
Sales = 4,
Other = 5
};
// Create a Connection Role.
ConnectionRole setupConnectionRole = new ConnectionRole
{
Name = "Example Connection Role",
Category = new OptionSetValue(Categories.Business),
};
_connectionRoleId = _serviceProxy.Create(setupConnectionRole);
setupConnectionRole.Id = _connectionRoleId;
Console.WriteLine("Created {0}.", setupConnectionRole.Name);
// Query for all Connection Roles.
QueryExpression allQuery = new QueryExpression
{
EntityName = ConnectionRole.EntityLogicalName,
ColumnSet = new ColumnSet("connectionroleid", "name"),
Distinct = true,
LinkEntities =
{
new LinkEntity
{
LinkToEntityName =
ConnectionRoleObjectTypeCode.EntityLogicalName,
LinkToAttributeName = "connectionroleid",
LinkFromEntityName = ConnectionRole.EntityLogicalName,
LinkFromAttributeName = "connectionroleid",
LinkCriteria = new FilterExpression
{
FilterOperator = LogicalOperator.And,
// Set a condition to only get connection roles
// related to all entities (object type code = 0).
Conditions =
{
new ConditionExpression
{
AttributeName = "associatedobjecttypecode",
Operator = ConditionOperator.Equal,
Values = { 0 }
}
}
}
}
}
};
EntityCollection results = _serviceProxy.RetrieveMultiple(allQuery);
// Here you could perform operations on all of
// the connectionroles found by the query.
Console.WriteLine("Retrieved {0} unassociated connectionrole instance(s).",
results.Entities.Count);
// Query to find roles which apply only to accounts.
QueryExpression accountQuery = new QueryExpression
{
EntityName = ConnectionRole.EntityLogicalName,
ColumnSet = new ColumnSet("connectionroleid", "name"),
Distinct = true,
LinkEntities =
{
new LinkEntity
{
LinkToEntityName =
ConnectionRoleObjectTypeCode.EntityLogicalName,
LinkToAttributeName = "connectionroleid",
LinkFromEntityName = ConnectionRole.EntityLogicalName,
LinkFromAttributeName = "connectionroleid",
LinkCriteria = new FilterExpression
{
FilterOperator = LogicalOperator.And,
// Set a condition to only get connection roles
// related to accounts (object type code = 1).
Conditions =
{
new ConditionExpression
{
AttributeName = "associatedobjecttypecode",
Operator = ConditionOperator.In,
Values = { Account.EntityLogicalName }
}
}
}
}
}
};
results = _serviceProxy.RetrieveMultiple(accountQuery);
Console.WriteLine("Retrieved {0} account-only connectionrole instance(s).",
results.Entities.Count);
// Create a related Connection Role Object Type Code record for
// Account.
ConnectionRoleObjectTypeCode setupAccountConnectionRoleTypeCode
= new ConnectionRoleObjectTypeCode
{
ConnectionRoleId = new EntityReference(
ConnectionRole.EntityLogicalName, _connectionRoleId),
AssociatedObjectTypeCode = Account.EntityLogicalName
};
setupAccountConnectionRoleTypeCode.Id =
_serviceProxy.Create(setupAccountConnectionRoleTypeCode);
Console.Write("Created a related Connection Role Object Type Code");
Console.Write(" record for Account.");
// Run the query to find unassociated connectionroles again.
results = _serviceProxy.RetrieveMultiple(allQuery);
Console.WriteLine(@"Retrieved {0} unassociated connectionrole instance(s).",
results.Entities.Count);
// Run the account-only query again.
results = _serviceProxy.RetrieveMultiple(accountQuery);
Console.WriteLine("Retrieved {0} account-only connectionrole instance(s).",
results.Entities.Count);
// Remove the link from account entity.
_serviceProxy.Delete(ConnectionRoleObjectTypeCode.EntityLogicalName,
setupAccountConnectionRoleTypeCode.Id);
Console.WriteLine("Removed link from connectionrole to account entity.");
// Run the query to find unassociated connectionroles again.
results = _serviceProxy.RetrieveMultiple(allQuery);
Console.WriteLine("Retrieved {0} unassociated connectionrole instance(s).",
results.Entities.Count);
// Run the account-only query again.
results = _serviceProxy.RetrieveMultiple(accountQuery);
Console.WriteLine("Retrieved {0} account-only connectionrole instance(s).",
results.Entities.Count);
DeleteRequiredRecords(promptForDelete);
}
}
// Catch any service fault exceptions that Microsoft Dynamics CRM throws.
catch (FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault>)
{
// You can handle an exception here or pass it back to the calling method.
throw;
}
}
/// <summary>
/// Deletes any entity records that were created for this sample.
/// <param name="prompt">Indicates whether to prompt the user
/// to delete the records created in this sample.</param>
/// </summary>
public void DeleteRequiredRecords(bool prompt)
{
bool toBeDeleted = true;
if (prompt)
{
// Ask the user if the created entities should be deleted.
Console.Write("\nDo you want these entity records deleted? (y/n) [y]: ");
String answer = Console.ReadLine();
if (answer.StartsWith("y") ||
answer.StartsWith("Y") ||
answer == String.Empty)
{
toBeDeleted = true;
}
else
{
toBeDeleted = false;
}
}
if (toBeDeleted)
{
// Delete all records created in this sample.
_serviceProxy.Delete(ConnectionRole.EntityLogicalName, _connectionRoleId);
Console.WriteLine("Entity record(s) have been deleted.");
}
}
#endregion How To Sample Code
#region Main
/// <summary>
/// Standard Main() method used by most SDK samples.
/// </summary>
/// <param name="args"></param>
static public void Main(string[] args)
{
try
{
// Obtain the target organization's Web address and client logon
// credentials from the user.
ServerConnection serverConnect = new ServerConnection();
ServerConnection.Configuration config = serverConnect.GetServerConfiguration();
QueryConnectionRolesByEntityTypeCode app = new QueryConnectionRolesByEntityTypeCode();
app.Run(config, true);
}
catch (FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault> ex)
{
Console.WriteLine("The application terminated with an error.");
Console.WriteLine("Timestamp: {0}", ex.Detail.Timestamp);
Console.WriteLine("Code: {0}", ex.Detail.ErrorCode);
Console.WriteLine("Message: {0}", ex.Detail.Message);
Console.WriteLine("Plugin Trace: {0}", ex.Detail.TraceText);
Console.WriteLine("Inner Fault: {0}",
null == ex.Detail.InnerFault ? "No Inner Fault" : "Has Inner Fault");
}
catch (System.TimeoutException ex)
{
Console.WriteLine("The application terminated with an error.");
Console.WriteLine("Message: {0}", ex.Message);
Console.WriteLine("Stack Trace: {0}", ex.StackTrace);
Console.WriteLine("Inner Fault: {0}",
null == ex.InnerException.Message ? "No Inner Fault" : ex.InnerException.Message);
}
catch (System.Exception ex)
{
Console.WriteLine("The application terminated with an error.");
Console.WriteLine(ex.Message);
// Display the details of the inner exception.
if (ex.InnerException != null)
{
Console.WriteLine(ex.InnerException.Message);
FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault> fe
= ex.InnerException
as FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault>;
if (fe != null)
{
Console.WriteLine("Timestamp: {0}", fe.Detail.Timestamp);
Console.WriteLine("Code: {0}", fe.Detail.ErrorCode);
Console.WriteLine("Message: {0}", fe.Detail.Message);
Console.WriteLine("Plugin Trace: {0}", fe.Detail.TraceText);
Console.WriteLine("Inner Fault: {0}",
null == fe.Detail.InnerFault ? "No Inner Fault" : "Has Inner Fault");
}
}
}
// Additional exceptions to catch: SecurityTokenValidationException, ExpiredSecurityTokenException,
// SecurityAccessDeniedException, MessageSecurityException, and SecurityNegotiationException.
finally
{
Console.WriteLine("Press <Enter> to exit.");
Console.ReadLine();
}
}
#endregion Main
}
}
Voir aussi
Exemple de code pour les entités de connexion
Entités de connexion
Exemple : Interroger des connexions par rôles réciproques (liaison anticipée)
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