Hi there,

I am hoping that someone can help me, i have looked everywhere and cannot find an answer to this error. I have a report from visual studio 2008 on reporting services and it displays however exporting to PDF gives me the following error.

 

Server Error in '/' Application.

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System.Web.Services.Protocols.SoapException: An error occurred during rendering of the report. ---> Microsoft.ReportingServices.ReportProcessing.UnhandledReportRenderingException: An error occurred during rendering of the report. ---> Microsoft.ReportingServices.OnDemandReportRendering.ReportRenderingException: An error occurred during rendering of the report. ---> System.NullReferenceException: Object reference not set to an instance of an object.
  at Microsoft.ReportingServices.WebServer.ReportExecution2005Impl.InternalRender(String Format, String DeviceInfo, PageCountMode pageCountMode, Stream& Result, String& Extension, String& MimeType, String& Encoding, Warning[]& Warnings, String[]& StreamIds)
  at Microsoft.ReportingServices.WebServer.ReportExecution2005Impl.Render(String Format, String DeviceInfo, PageCountMode pageCountMode, Byte[]& Result, String& Extension, String& MimeType, String& Encoding, Warning[]& Warnings, String[]& StreamIds)
  at Microsoft.ReportingServices.WebServer.ReportExecutionService.Render(String Format, String DeviceInfo, Byte[]& Result, String& Extension, String& MimeType, String& Encoding, Warning[]& Warnings, String[]& StreamIds)

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Web.Services.Protocols.SoapException: System.Web.Services.Protocols.SoapException: An error occurred during rendering of the report. ---> Microsoft.ReportingServices.ReportProcessing.UnhandledReportRenderingException: An error occurred during rendering of the report. ---> Microsoft.ReportingServices.OnDemandReportRendering.ReportRenderingException: An error occurred during rendering of the report. ---> System.NullReferenceException: Object reference not set to an instance of an object.
  at Microsoft.ReportingServices.WebServer.ReportExecution2005Impl.InternalRender(String Format, String DeviceInfo, PageCountMode pageCountMode, Stream& Result, String& Extension, String& MimeType, String& Encoding, Warning[]& Warnings, String[]& StreamIds)
  at Microsoft.ReportingServices.WebServer.ReportExecution2005Impl.Render(String Format, String DeviceInfo, PageCountMode pageCountMode, Byte[]& Result, String& Extension, String& MimeType, String& Encoding, Warning[]& Warnings, String[]& StreamIds)
  at Microsoft.ReportingServices.WebServer.ReportExecutionService.Render(String Format, String DeviceInfo, Byte[]& Result, String& Extension, String& MimeType, String& Encoding, Warning[]& Warnings, String[]& StreamIds)

Source Error:

Line 631: [return: System.Xml.Serialization.XmlElementAttribute("Result", DataType="base64Binary")] Line 632: public byte[] Render(string Format, string DeviceInfo, out string Extension, out string MimeType, out string Encoding, out Warning[] Warnings, out string[] StreamIds) {Line 633: object[] results = this.Invoke("Render", new object[] {Line 634: Format, Line 635: DeviceInfo});

Source File: D:\RS\RS\Web References\RSW\Reference.cs   Line:633

Stack Trace:

[SoapException: System.Web.Services.Protocols.SoapException: An error occurred during rendering of the report. ---> Microsoft.ReportingServices.ReportProcessing.UnhandledReportRenderingException: An error occurred during rendering of the report. ---> Microsoft.ReportingServices.OnDemandReportRendering.ReportRenderingException: An error occurred during rendering of the report. ---> System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.ReportingServices.WebServer.ReportExecution2005Impl.InternalRender(String Format, String DeviceInfo, PageCountMode pageCountMode, Stream& Result, String& Extension, String& MimeType, String& Encoding, Warning[]& Warnings, String[]& StreamIds) at Microsoft.ReportingServices.WebServer.ReportExecution2005Impl.Render(String Format, String DeviceInfo, PageCountMode pageCountMode, Byte[]& Result, String& Extension, String& MimeType, String& Encoding, Warning[]& Warnings, String[]& StreamIds) at Microsoft.ReportingServices.WebServer.ReportExecutionService.Render(String Format, String DeviceInfo, Byte[]& Result, String& Extension, String& MimeType, String& Encoding, Warning[]& Warnings, String[]& StreamIds)] System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall) +413001 System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters) +300 RS.RSW.ReportExecutionService.Render(String Format, String DeviceInfo, String& Extension, String& MimeType, String& Encoding, Warning[]& Warnings, String[]& StreamIds) in D:\RS\RS\Web References\RSW\Reference.cs:633 RS_PDF_Render._Default.rs_report() in D:\RS\RS\Default.aspx.cs:140 RS_PDF_Render._Default.Page_Load(Object sender, EventArgs e) in D:\RS\RS\Default.aspx.cs:34 System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +25 System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +42 System.Web.UI.Control.OnLoad(EventArgs e) +132 System.Web.UI.Control.LoadRecursive() +66 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2428

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Version Information: Microsoft .NET Framework Version:2.0.50727.4927; ASP.NET Version:2.0.50727.4927<!-- [SoapException]: System.Web.Services.Protocols.SoapException: An error occurred during rendering of the report. ---> Microsoft.ReportingServices.ReportProcessing.UnhandledReportRenderingException: An error occurred during rendering of the report. ---> Microsoft.ReportingServices.OnDemandReportRendering.ReportRenderingException: An error occurred during rendering of the report. ---> System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.ReportingServices.WebServer.ReportExecution2005Impl.InternalRender(String Format, String DeviceInfo, PageCountMode pageCountMode, Stream& Result, String& Extension, String& MimeType, String& Encoding, Warning[]& Warnings, String[]& StreamIds) at Microsoft.ReportingServices.WebServer.ReportExecution2005Impl.Render(String Format, String DeviceInfo, PageCountMode pageCountMode, Byte[]& Result, String& Extension, String& MimeType, String& Encoding, Warning[]& Warnings, String[]& StreamIds) at Microsoft.ReportingServices.WebServer.ReportExecutionService.Render(String Format, String DeviceInfo, Byte[]& Result, String& Extension, String& MimeType, String& Encoding, Warning[]& Warnings, String[]& StreamIds) at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall) at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters) at RS.RSW.ReportExecutionService.Render(String Format, String DeviceInfo, String& Extension, String& MimeType, String& Encoding, Warning[]& Warnings, String[]& StreamIds) in D:\RS\RS\Web References\RSW\Reference.cs:line 633 at RS_PDF_Render._Default.rs_report() in D:\RS\RS\Default.aspx.cs:line 140 at RS_PDF_Render._Default.Page_Load(Object sender, EventArgs e) in D:\RS\RS\Default.aspx.cs:line 34 at System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) at System.Web.UI.Control.OnLoad(EventArgs e) at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) [HttpUnhandledException]: Exception of type 'System.Web.HttpUnhandledException' was thrown. at System.Web.UI.Page.HandleError(Exception e) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest() at System.Web.UI.Page.ProcessRequest(HttpContext context) at ASP.default_aspx.ProcessRequest(HttpContext context) in c:\Windows\Microsoft.NET\Framework64\v2.0.50727\Temporary ASP.NET Files\root\e57d0166\fa229c0c\App_Web_xe4oiree.0.cs:line 0 at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) -->