示例：获取报表的历史记录限制。

 

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\GetReportHistoryLimit.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

下面的代码示例演示如何使用 GetReportHistoryLimitRequest 消息获取报表的历史记录限制。

示例

using System;
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 retrieve the history limit of a report.
    /// </summary>
    public class GetReportHistoryLimit
    {
        #region Class Level Members

        /// <summary>
        /// Stores the organization service proxy.
        /// </summary>
        private OrganizationServiceProxy _serviceProxy;        

        #endregion Class Level Members

        #region How To Sample Code
        /// <summary>
        /// Create and configure the organization service proxy.        
        /// Retrieve the history limit of a report.
        /// 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.
                    GetReportHistoryLimitRequest reportHistoryRequest = new GetReportHistoryLimitRequest
                    {
                        ReportId = retrievedReport.ReportId.Value
                    };

                    GetReportHistoryLimitResponse reportHistoryResponse = (GetReportHistoryLimitResponse)_serviceProxy.Execute(reportHistoryRequest);

                    // Access the history limit data
                    int historyLimit = reportHistoryResponse.HistoryLimit;

                    Console.WriteLine("The report history limit is {0}.", historyLimit);


                }
            }
            // 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()
        {
            // No entity records are created in this sample.
        }

        #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();

                GetReportHistoryLimit app = new GetReportHistoryLimit();
                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

GetReportHistoryLimitRequest
报表的示例代码
针对 Microsoft Dynamics 365 报表的开发人员指南

Microsoft Dynamics 365

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