示例：下载报表定义
发布日期： 2017年1月
适用于： Dynamics 365 (online),Dynamics 365 (on-premises),Dynamics CRM 2016,Dynamics CRM Online
此示例代码适用于 Microsoft Dynamics 365（在线或本地）。下载 Microsoft Dynamics CRM SDK 包。 它可能位于下载包的以下位置：
SampleCode\CS\Reporting\DownloadReportDefinition.cs
要求
有关运行此 SDK 中提供的示例代码的要求的详细信息，请参阅使用示例和帮助程序代码。
演示
此示例演示如何通过使用 DownloadReportDefinitionRequest 消息下载报表定义 (.rdl) 文件。
示例
using System;
using System.IO;
using System.Xml;
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 download the report definition (RDL) file.
/// </summary>
public class DownloadReportDefinition
{
#region Class Level Members
/// <summary>
/// Stores the organization service proxy.
/// </summary>
private OrganizationServiceProxy _serviceProxy;
// Define the variables needed for this sample.
String _currentDirectoryPath;
#endregion Class Level Members
#region How To Sample Code
/// <summary>
/// Create and configure the organization service proxy.
/// Download the report definition.
/// 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();
// Query for an an existing report: Account Overview. This is a default report in Microsoft Dynamics CRM.
QueryByAttribute reportQuery = new QueryByAttribute(Report.EntityLogicalName);
reportQuery.AddAttributeValue("name", "Account Overview");
reportQuery.ColumnSet = new ColumnSet("reportid");
// Get the report.
EntityCollection retrieveReports = _serviceProxy.RetrieveMultiple(reportQuery);
// Convert retrieved Entity to a report
Report retrievedReport = (Report)retrieveReports.Entities[0];
Console.WriteLine("Retrieved the 'Account Overview' report.");
// Use the Download Report Definition message.
DownloadReportDefinitionRequest rdlRequest = new DownloadReportDefinitionRequest
{
ReportId = retrievedReport.ReportId.Value
};
DownloadReportDefinitionResponse rdlResponse = (DownloadReportDefinitionResponse)_serviceProxy.Execute(rdlRequest);
// Get the current directory path.
_currentDirectoryPath = Directory.GetCurrentDirectory();
// Access the xml data and save to disk
XmlTextWriter reportDefinitionFile = new XmlTextWriter( _currentDirectoryPath + "\\NewReport.rdl", System.Text.Encoding.UTF8);
reportDefinitionFile.WriteRaw(rdlResponse.BodyText);
reportDefinitionFile.Close();
if (File.Exists(_currentDirectoryPath + "\\NewReport.rdl"))
{
Console.WriteLine("Downloaded the report definition (NewReport.rdl) to '{0}'.", _currentDirectoryPath.ToString());
}
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.
/// </summary>
public void CreateRequiredRecords()
{
// All the entity records in this sample are created in the Run() method.
}
/// <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 the records to be deleted? (y/n)");
String answer = Console.ReadLine();
deleteRecords = (answer.StartsWith("y") || answer.StartsWith("Y"));
}
if (deleteRecords)
{
File.Delete(_currentDirectoryPath + "\\NewReport.rdl");
Console.WriteLine("The downloaded report definition has 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();
DownloadReportDefinition app = new DownloadReportDefinition();
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
}
}
另请参阅
DownloadReportDefinitionRequest
报表的示例代码
针对 Microsoft Dynamics 365 报表的开发人员指南
示例：获取报表的历史记录限制。
Microsoft Dynamics 365
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