编写 c# 代码以创建 SSRS 数据驱动订阅

Question

我在 SQL 报告服务 2012 标准版下有带有参数的 SSRS 报告。我喜欢导出到 excel 并作为电子邮件中的附件发送到不同的收据，收据来自一些 SQL 查询，这意味着它是动态的。

数据驱动订阅可以做到这一点，但我有不支持数据驱动订阅的 SQL Server 2012 标准版，我无法升级，所以我正在寻找任何可以像数据驱动一样完成类似工作的代码订阅。

我发现这个链接可以解决我的问题。 http://jaliyaudagedara.blogspot.com/2012/10/creating-data-driven-subscription.html

当我通过添加服务引用“http://mylocalserver:81/reportserver/ReportService2010.asmx”在 Visual Studio 2015“类库”项目下尝试此代码时，我在这行代码中遇到错误。 ReportingService2010SoapClient rs= new ReportingService2010SoapClient();

有关错误的其他信息：在 ServiceModel 客户端配置部分中找不到引用合同“ReportService2010.ReportingService2010Soap”的默认端点元素。这可能是因为找不到您的应用程序的配置文件，或者因为在客户端元素中找不到与此协定匹配的端点元素。

在花了足够的时间使它与“类库”项目一起工作后，我决定通过添加 Web 服务引用来完成 Web 服务项目下的代码。最后经过反复试验，我在 Web 服务项目下得到了工作代码。下面的代码适用于我的本地计算机，它有 Sql server 2012 企业版，但它给了我同样的错误，说“这个版本的 Reporting Services 不支持数据驱动的报表订阅”在我的公司服务器上有 SQL server 2012 标准版。

   public void DoWork()
    {
       ReportingService2010 rs = new ReportingService2010();
        rs.Credentials = CredentialCache.DefaultCredentials;
       // rs.Url = "http://mylocalserver:81/reportserver/ReportService2010.asmx";
        rs.Url = "http://companyserver/reportserver/ReportService2010.asmx";

        var reportPath = "/CYTYC Reports/";

        string report = $"{reportPath}AllContactCIPPointsReport";
        string description = "Programmatic Data Driven Subscription \"Report Server Email\" ";

        //set extension as Windows File Share
        ExtensionSettings settings = new ExtensionSettings();
        settings.Extension = "Report Server Email";


        // Set the extension parameter values.
        var extensionParams = new ParameterValueOrFieldReference[8];

        // var to = new ParameterFieldReference { ParameterName = "TO", FieldAlias = "PARAMS" }; // Data-driven.
        var to = new ParameterValue { Name = "TO", Value = "example@gmail.com" }; // Data-driven.
        extensionParams[0] = to;

        var replyTo = new ParameterValue { Name = "ReplyTo", Value = "example@gmail.com" };
        extensionParams[1] = replyTo;

        var includeReport = new ParameterValue { Name = "IncludeReport", Value = "False" };
        extensionParams[2] = includeReport;

        var renderFormat = new ParameterValue { Name = "RenderFormat", Value = "HTML4.0" };
        extensionParams[3] = renderFormat;

        var priority = new ParameterValue { Name = "Priority", Value = "NORMAL" };
        extensionParams[4] = priority;

        var subject = new ParameterValue { Name = "Subject", Value = "Subsribed Report" };
        extensionParams[5] = subject;

        var comment = new ParameterValue { Name = "Comment", Value = "Here is the link to your report." };
        extensionParams[6] = comment;

        var includeLink = new ParameterValue { Name = "IncludeLink", Value = "True" };
        extensionParams[7] = includeLink;

        settings.ParameterValues = extensionParams;

        // Create the data source for the delivery query.
        var delivery = new DataSource { Name = "" };
        var dataSourceDefinition = new DataSourceDefinition
        {
            ConnectString = "Data Source=CYTYC-LIVE;Initial Catalog=yourdatabasename",
            CredentialRetrieval = CredentialRetrievalEnum.Store,
            Enabled = true,
            EnabledSpecified = true,
            Extension = "SQL",
            ImpersonateUserSpecified = false,
            UserName = "username",
            Password = "password"
        };
        delivery.Item = dataSourceDefinition;

        // Create the data set for the delivery query.
        var dataSetDefinition = new DataSetDefinition
        {
            AccentSensitivitySpecified = false,
            CaseSensitivitySpecified = false,
            KanatypeSensitivitySpecified = false,
            WidthSensitivitySpecified = false
        };
        var queryDefinition = new QueryDefinition
        {
            CommandText = @"Your select * from Query",
            CommandType = "Text",
            Timeout = 45,
            TimeoutSpecified = true
        };
        dataSetDefinition.Query = queryDefinition;
        var results = new DataSetDefinition();
        var oServerInfoHeader = new ServerInfoHeader();
        var oTrustedUserHeader = new TrustedUserHeader();

        bool changed;
        string[] paramNames;
        try
        {
            results = rs.PrepareQuery(delivery, dataSetDefinition, out changed, out paramNames);//.PrepareQuery(oTrustedUserHeader, delivery, dataSetDefinition, out results, out changed,out paramNames);

        }
        catch (Exception ex)
        {

            Console.WriteLine(ex.Message);
        }

        var dataRetrieval = new DataRetrievalPlan { DataSet = results, Item = dataSourceDefinition };


        // Set the event type and match data for the delivery.
        const string eventType = "TimedSubscription";
        const string matchData = "<ScheduleDefinition><StartDateTime>2018-06-01T14:00:00-07:00</StartDateTime><WeeklyRecurrence><WeeksInterval>1</WeeksInterval><DaysOfWeek><Monday>True</Monday><Tuesday>True</Tuesday><Wednesday>True</Wednesday><Thursday>True</Thursday><Friday>True</Friday></DaysOfWeek></WeeklyRecurrence></ScheduleDefinition>";

        //const string eventType = "SnapshotUpdated";
        //const string matchData = null;

        //// Set the report parameter values.
        //var parameters = new ParameterValueOrFieldReference[1];

        //// i am retrieving value EMAIL from database and I am passing that value as my report parameter value
        //var reportparam = new ParameterFieldReference { ParameterName = "yourreportparametername", FieldAlias = "PARAMS" }; // Data-driven.

        //parameters[0] = reportparam;

        var parameters = new ParameterValue[1];
        var reportparam = new ParameterValue {Name = "yourreportparametername", Value = "yourreportparametervalue"};
        parameters[0] = reportparam;

        string subscriptionId = "";
        try
        {

            subscriptionId = rs.CreateDataDrivenSubscription(report, settings, dataRetrieval, description, eventType, matchData, parameters);
            //(oTrustedUserHeader, report, settings, dataRetrieval,description, eventType, matchData, parameters,out subscriptionId);
        }
        catch (System.Web.Services.Protocols.SoapException ex)
        {
            Console.WriteLine(ex.Detail.InnerText.ToString(CultureInfo.InvariantCulture));
        }

    }

Answer 1

您没有说明为什么需要数据驱动订阅 - 常规 SSRS 订阅可以通过电子邮件发送带有设置或默认参数的 Excel 报告。

据我所知，没有任何第三方工具可以模拟数据驱动订阅，但有些用户创建了自己的订阅。

如果您只想根据条件触发订阅，您可以使用 SSIS 作业运行查询以确定是否发送，如果是则触发订阅。

Something like Data Driven Subscriptions SSRS Standard Edition 2008

如果您需要更复杂的事情（例如更改 TO/CC 收件人、更改参数值...），则需要进行更多编程。这里有几件事可以开始使用理论和代码：

https://www.mssqltips.com/sqlservertip/4249/simulate-reporting-services-data-driven-subscriptions-on-unsupported-editions/

http://www.sqlservercentral.com/articles/Reporting+Services+(SSRS)/163119/