範例：依記錄查詢關係 (早期繫結)
發行︰ 2017年1月
適用於： Dynamics 365 (online)、Dynamics 365 (on-premises)、Dynamics CRM 2016、Dynamics CRM Online
這個範例程式碼適用於 Microsoft Dynamics 365 (線上和內部部署)。下載 Microsoft Dynamics CRM SDK 套件。 可以在下載套件的下列位置中找到：
SampleCode\CS\BusinessDataModel\BusinessManagement\QueryConnections.cs
需求
如需執行此 SDK 所提供範例程式碼的需求資訊，請參閱使用範例和 Helper 程式碼。
示範
此範例顯示如何查詢特定記錄的關係。 它會建立一個連絡人與兩個客戶的關係，然後搜尋連絡人的關係。
範例
using System;
using System.ServiceModel;
using System.ServiceModel.Description;
// 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;
using Microsoft.Xrm.Sdk.Discovery;
using Microsoft.Xrm.Sdk.Messages;
// This namespace is found in Microsoft.Crm.Sdk.Proxy.dll assembly
// found in the SDK\bin folder.
using Microsoft.Crm.Sdk.Messages;
namespace Microsoft.Crm.Sdk.Samples
{
/// <summary>
/// This Sample shows how to query connections.
/// </summary>
public class QueryConnections
{
#region Class Level Members
/// <summary>
/// Stores the organization service proxy.
/// </summary>
private OrganizationServiceProxy _serviceProxy;
// Define the IDs needed for this sample.
public Guid _connectionRoleId;
public Guid _account1Id;
public Guid _account2Id;
public Guid _contactId;
public Guid _connection1Id;
public Guid _connection2Id;
#endregion Class Level Members
#region How To Sample Code
/// <summary>
/// Create and configure the organization service proxy.
/// Call the method to create any data that this sample requires.
/// Query the connections.
/// Optionally delete any entity records that were created for this sample.
/// </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();
// Call the method to create any data that this sample requires.
CreateRequiredRecords();
// This query retrieves all connections this contact is part of.
QueryExpression query = new QueryExpression
{
EntityName = Connection.EntityLogicalName,
ColumnSet = new ColumnSet("connectionid"),
Criteria = new FilterExpression
{
FilterOperator = LogicalOperator.And,
Conditions =
{
// You can safely query against only record1id or
// record2id - CRM will find all connections this
// entity is a part of either way.
new ConditionExpression
{
AttributeName = "record1id",
Operator = ConditionOperator.Equal,
Values = { _contactId }
}
}
}
};
EntityCollection results = _serviceProxy.RetrieveMultiple(query);
// TODO: Here you could do a variety of tasks with the
// connections retrieved, such as listing the connected entities,
// finding reciprocal connections, etc.
Console.WriteLine("Retrieved {0} connectionrole instances.", 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>
/// This method creates any entity records that this sample requires.
/// Create a new connectionrole instance.
/// </summary>
public void CreateRequiredRecords()
{
// 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",
Description = "This is an example one sided connection role.",
Category = new OptionSetValue(Categories.Business),
};
_connectionRoleId = _serviceProxy.Create(setupConnectionRole);
Console.WriteLine("Created {0}.", setupConnectionRole.Name);
// Create a related Connection Role Object Type Code record for Account
ConnectionRoleObjectTypeCode newAccountConnectionRoleTypeCode
= new ConnectionRoleObjectTypeCode
{
ConnectionRoleId = new EntityReference(
ConnectionRole.EntityLogicalName, _connectionRoleId),
AssociatedObjectTypeCode = Account.EntityLogicalName
};
_serviceProxy.Create(newAccountConnectionRoleTypeCode);
Console.WriteLine(
"Created a related Connection Role Object Type Code record for Account."
);
// Create a related Connection Role Object Type Code record for Contact
ConnectionRoleObjectTypeCode newContactConnectionRoleTypeCode
= new ConnectionRoleObjectTypeCode
{
ConnectionRoleId = new EntityReference(
ConnectionRole.EntityLogicalName, _connectionRoleId),
AssociatedObjectTypeCode = Contact.EntityLogicalName
};
_serviceProxy.Create(newContactConnectionRoleTypeCode);
Console.WriteLine(
"Created a related Connection Role Object Type Code record for Contact."
);
//Create a few account records for use in the connections.
Account setupAccount1 = new Account { Name = "Example Account 1" };
_account1Id = _serviceProxy.Create(setupAccount1);
Console.WriteLine("Created {0}.", setupAccount1.Name);
Account setupAccount2 = new Account { Name = "Example Account 2" };
_account2Id = _serviceProxy.Create(setupAccount2);
Console.WriteLine("Created {0}.", setupAccount2.Name);
//Creates a contact used in the connection.
Contact setupContact = new Contact { LastName = "Example Contact" };
_contactId = _serviceProxy.Create(setupContact);
Console.WriteLine("Created {0}.", setupContact.LastName);
// Create a new connection between Account 1 and the contact record.
Connection newConnection1 = new Connection
{
Record1Id = new EntityReference(Account.EntityLogicalName,
_account1Id),
Record1RoleId = new EntityReference(ConnectionRole.EntityLogicalName,
_connectionRoleId),
Record2Id = new EntityReference(Contact.EntityLogicalName,
_contactId)
};
_connection1Id = _serviceProxy.Create(newConnection1);
Console.WriteLine(
"Created a connection between the account 1 and the contact.");
// Create a new connection between the contact and Account 2 record
Connection newConnection2 = new Connection
{
Record1Id = new EntityReference(Contact.EntityLogicalName,
_contactId),
Record1RoleId = new EntityReference(ConnectionRole.EntityLogicalName,
_connectionRoleId),
Record2Id = new EntityReference(Account.EntityLogicalName,
_account2Id)
};
_connection2Id = _serviceProxy.Create(newConnection2);
Console.WriteLine(
"Created a connection between the contact and the account 2.");
return;
}
/// <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 deleteRecords = true;
if (prompt)
{
Console.WriteLine("\nDo you want these entity records deleted? (y/n)");
String answer = Console.ReadLine();
deleteRecords = (answer.StartsWith("y") || answer.StartsWith("Y"));
}
if (deleteRecords)
{
_serviceProxy.Delete(Connection.EntityLogicalName, _connection1Id);
_serviceProxy.Delete(Connection.EntityLogicalName, _connection2Id);
_serviceProxy.Delete(Account.EntityLogicalName, _account1Id);
_serviceProxy.Delete(Account.EntityLogicalName, _account2Id);
_serviceProxy.Delete(Contact.EntityLogicalName, _contactId);
_serviceProxy.Delete(ConnectionRole.EntityLogicalName, _connectionRoleId);
Console.WriteLine("Entity records 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();
QueryConnections app = new QueryConnections();
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
}
}
另請參閱
Microsoft Dynamics 365
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