Sample: Download report definition

Статья
11/28/2016
Applies To: Dynamics 365 (online), Dynamics 365 (on-premises), Dynamics CRM 2016, Dynamics CRM Online
This sample code is for Microsoft Dynamics 365 (online & on-premises). Download the Microsoft Dynamics CRM SDK package. It can be found in the following location in the download package:
SampleCode\CS\Reporting\DownloadReportDefinition.cs
Requirements

For more information about the requirements for running the sample code provided in this SDK, see Use the sample and helper code.
Demonstrates

This sample shows how to download a report definition (.rdl) file by using the DownloadReportDefinitionRequest message.
Example


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
    }
}
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Sample: Download report definition

Requirements

Demonstrates

Example

See Also

Дополнительные ресурсы
