Microsoft distribuye las soluciones de Microsoft SQL Server 2008 y 2008 R2 como un archivo que se puede descargar. Debido a que las correcciones son acumulativas, cada versión nueva contiene todas las revisiones y todas las revisiones de seguridad incluidas en la versión anterior de SQL Server 2008 y 2008 R2.
Síntomas
Imagine la siguiente situación:
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Instale Microsoft SQL Server 2008 Reporting Services para Microsoft SQL Server 2008 Service Pack 2 (SP2) Cumulative Update 1.
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Crea un proyecto de servidor de informes en Microsoft SQL Server 2008 Business Intelligence Development Studio (BIDS).
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Cree una región de datos de Tablix en el informe. Se produce un salto de página en la región de datos de Tablix . Por ejemplo, un salto de página se inserta en la región de datos de Tablix porque el tamaño de la página está restringido o se inserta un salto de página lógico en la región de datos de Tablix .
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Exporte el informe a un archivo de formato de documento portátil (PDF) o a un archivo TIFF (Tagged Image File Format).
En esta situación, aparece este mensaje de error:
Ya se ha agregado un elemento con la misma clave.
Además, el archivo PDF o TIFF no se abre si intenta abrirlo.
Resolución
Información sobre la actualización acumulativa
SQL Server 2008 R2
La corrección para este problema se publicó por primera vez en la actualización acumulativa 6. Para obtener más información sobre cómo obtener este paquete de actualización acumulativa para SQL Server 2008 R2, haga clic en el número de artículo siguiente para verlo en Microsoft Knowledge Base:
2489376 Paquete de actualización acumulativa 6 para SQL Server 2008 R2 Nota Como las compilaciones son acumulativas, cada nueva versión de corrección contiene todas las revisiones y todas las revisiones de seguridad incluidas en la versión anterior de corrección de SQL Server 2008 R2. Le recomendamos que considere la posibilidad de aplicar la versión de corrección más reciente que contenga este Hotfix. Si desea obtener más información, haga clic en el número de artículo siguiente para verlo en Microsoft Knowledge Base:
981356 Las compilaciones de SQL Server 2008 R2 que se lanzaron después de publicar SQL Server 2008 R2La corrección para este problema se publicó por primera vez en la actualización acumulativa 2 para SQL Server 2008 Service Pack 2. Para obtener más información acerca de este paquete de actualización acumulativa, haga clic en el número de artículo siguiente para verlo en Microsoft Knowledge Base:
2467239 Paquete de actualización acumulativa 2 para SQL Server 2008 Service Pack 2Nota Como las compilaciones son acumulativas, cada nueva versión de corrección contiene todas las revisiones y todas las revisiones de seguridad incluidas en la versión anterior de corrección de SQL Server 2008. Microsoft recomienda que considere la posibilidad de aplicar la versión de corrección más reciente que contenga este Hotfix. Si desea obtener más información, haga clic en el número de artículo siguiente para verlo en Microsoft Knowledge Base:
2402659 Las compilaciones de SQL Server 2008 que se lanzaron después de que se publicó SQL Server 2008 Service Pack 2 Los Hotfix 2008 de Microsoft SQL Server se crean para determinados Service Packs de SQL Server. Debe aplicar una revisión de SQL Server 2008 Service Pack 2 a una instalación de SQL Server 2008 Service Pack 2. De forma predeterminada, cualquier Hotfix proporcionado en un Service Pack de SQL Server se incluye en el siguiente Service Pack de SQL Server.
Estado
Microsoft ha confirmado que se trata de un problema de los productos de Microsoft enumerados en la sección "Se aplica a".
Más información
Información de la pila de llamadas
Cuando se produce este problema, se registra una pila de llamadas similar a la siguiente información en el archivo de registro de Reporting Services:reportrendering!ReportServer_0-4!8cc!: e ERROR: Throwing Microsoft.ReportingServices.ReportProcessing.UnhandledReportRenderingException: , 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.ArgumentException: An item with the same key has already been added.at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)at System.Collections.Generic.Dictionary`2.Add(TKey key, TValue value)at Microsoft.ReportingServices.Rendering.HPBProcessing.TextBox.WriteStartItemToStream(RPLWriter rplWriter, PageContext pageContext)at Microsoft.ReportingServices.Rendering.HPBProcessing.TextBox.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.RowInfo.AddToPageContent(ScalableList`1 columnInfo, Int32& colsOnPage, Boolean isLTR, Boolean pinnedToParentCell, RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.PageItemContainer.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.PageItemContainer.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.SubReport.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.RowInfo.AddToPageContent(ScalableList`1 columnInfo, Int32& colsOnPage, Boolean isLTR, Boolean pinnedToParentCell, RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.PageItemContainer.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.RowInfo.AddToPageContent(ScalableList`1 columnInfo, Int32& colsOnPage, Boolean isLTR, Boolean pinnedToParentCell, RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.PageItemContainer.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.RowInfo.AddToPageContent(ScalableList`1 columnInfo, Int32& colsOnPage, Boolean isLTR, Boolean pinnedToParentCell, RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.PageItemContainer.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.ReportSection.NextPage(RPLWriter rplWriter, Int32 pageNumber, Int32 totalPages, Double top, Double availableHeight, ReportSection nextSection, Boolean isFirstSectionOnPage)at Microsoft.ReportingServices.Rendering.HPBProcessing.Report.NextPage(RPLWriter rplWriter, Int32 totalPages)at Microsoft.ReportingServices.Rendering.HPBProcessing.HPBProcessing.GetNextPage(RPLReport& rplReport)at Microsoft.ReportingServices.Rendering.ImageRenderer.PDFRenderer.Render(Report report, NameValueCollection deviceInfo, Hashtable renderProperties, CreateAndRegisterStream createAndRegisterStream)at Microsoft.ReportingServices.Rendering.ImageRenderer.RendererBase.Render(Report report, NameValueCollection reportServerParameters, NameValueCollection deviceInfo, NameValueCollection clientCapabilities, Hashtable& renderProperties, CreateAndRegisterStream createAndRegisterStream)--- End of inner exception stack trace ---at Microsoft.ReportingServices.Rendering.ImageRenderer.RendererBase.Render(Report report, NameValueCollection reportServerParameters, NameValueCollection deviceInfo, NameValueCollection clientCapabilities, Hashtable& renderProperties, CreateAndRegisterStream createAndRegisterStream)at Microsoft.ReportingServices.ReportProcessing.ReportProcessing.RenderFromOdpSnapshot(IRenderingExtension newRenderer, String streamName, ProcessingContext pc, RenderingContext rc)--- End of inner exception stack trace ---;library!ReportServer_0-4!8cc!:: i INFO: Exception UnhandledReportRenderingException dumped to: C:\Program Files\Microsoft SQL Server\MSRS10_50.MSSQLSERVER\Reporting Services\Logfiles flags= AllMemory, AllThreads, SendToWatson date-time : e ERROR: Throwing Microsoft.ReportingServices.ReportProcessing.UnhandledReportRenderingException: , 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.ArgumentException: An item with the same key has already been added.at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)at System.Collections.Generic.Dictionary`2.Add(TKey key, TValue value)at Microsoft.ReportingServices.Rendering.HPBProcessing.TextBox.WriteStartItemToStream(RPLWriter rplWriter, PageContext pageContext)at Microsoft.ReportingServices.Rendering.HPBProcessing.TextBox.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.RowInfo.AddToPageContent(ScalableList`1 columnInfo, Int32& colsOnPage, Boolean isLTR, Boolean pinnedToParentCell, RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.PageItemContainer.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.PageItemContainer.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.SubReport.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.RowInfo.AddToPageContent(ScalableList`1 columnInfo, Int32& colsOnPage, Boolean isLTR, Boolean pinnedToParentCell, RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.PageItemContainer.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.RowInfo.AddToPageContent(ScalableList`1 columnInfo, Int32& colsOnPage, Boolean isLTR, Boolean pinnedToParentCell, RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.PageItemContainer.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.RowInfo.AddToPageContent(ScalableList`1 columnInfo, Int32& colsOnPage, Boolean isLTR, Boolean pinnedToParentCell, RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.PageItemContainer.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.ReportSection.NextPage(RPLWriter rplWriter, Int32 pageNumber, Int32 totalPages, Double top, Double availableHeight, ReportSection nextSection, Boolean isFirstSectionOnPage)at Microsoft.ReportingServices.Rendering.HPBProcessing.Report.NextPage(RPLWriter rplWriter, Int32 totalPages)at Microsoft.ReportingServices.Rendering.HPBProcessing.HPBProcessing.GetNextPage(RPLReport& rplReport)at Microsoft.ReportingServices.Rendering.ImageRenderer.PDFRenderer.Render(Report report, NameValueCollection deviceInfo, Hashtable renderProperties, CreateAndRegisterStream createAndRegisterStream)at Microsoft.ReportingServices.Rendering.ImageRenderer.RendererBase.Render(Report report, NameValueCollection reportServerParameters, NameValueCollection deviceInfo, NameValueCollection clientCapabilities, Hashtable& renderProperties, CreateAndRegisterStream createAndRegisterStream)--- End of inner exception stack trace ---at Microsoft.ReportingServices.Rendering.ImageRenderer.RendererBase.Render(Report report, NameValueCollection reportServerParameters, NameValueCollection deviceInfo, NameValueCollection clientCapabilities, Hashtable& renderProperties, CreateAndRegisterStream createAndRegisterStream)at Microsoft.ReportingServices.ReportProcessing.ReportProcessing.RenderFromOdpSnapshot(IRenderingExtension newRenderer, String streamName, ProcessingContext pc, RenderingContext rc)--- End of inner exception stack trace ---;library!ReportServer_0-4!8cc!:: i INFO: Exception UnhandledReportRenderingException dumped to: C:\Program Files\Microsoft SQL Server\MSRS10_50.MSSQLSERVER\Reporting Services\Logfiles flags= AllMemory, AllThreads, SendToWatson date-time : i INFO: Exception UnhandledReportRenderingException dumped to: C:\Program Files\Microsoft SQL Server\MSRS10_50.MSSQLSERVER\Reporting Services\Logfiles flags= AllMemory, AllThreads, SendToWatson date-time : e ERROR: Throwing Microsoft.ReportingServices.ReportProcessing.UnhandledReportRenderingException: , 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.ArgumentException: An item with the same key has already been added.at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)at System.Collections.Generic.Dictionary`2.Add(TKey key, TValue value)at Microsoft.ReportingServices.Rendering.HPBProcessing.TextBox.WriteStartItemToStream(RPLWriter rplWriter, PageContext pageContext)at Microsoft.ReportingServices.Rendering.HPBProcessing.TextBox.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.RowInfo.AddToPageContent(ScalableList`1 columnInfo, Int32& colsOnPage, Boolean isLTR, Boolean pinnedToParentCell, RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.PageItemContainer.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.PageItemContainer.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.SubReport.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.RowInfo.AddToPageContent(ScalableList`1 columnInfo, Int32& colsOnPage, Boolean isLTR, Boolean pinnedToParentCell, RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.PageItemContainer.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.RowInfo.AddToPageContent(ScalableList`1 columnInfo, Int32& colsOnPage, Boolean isLTR, Boolean pinnedToParentCell, RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.PageItemContainer.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.RowInfo.AddToPageContent(ScalableList`1 columnInfo, Int32& colsOnPage, Boolean isLTR, Boolean pinnedToParentCell, RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.Tablix.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.PageItemContainer.AddToPage(RPLWriter rplWriter, PageContext pageContext, Double pageLeft, Double pageTop, Double pageRight, Double pageBottom, RepeatState repeatState)at Microsoft.ReportingServices.Rendering.HPBProcessing.ReportSection.NextPage(RPLWriter rplWriter, Int32 pageNumber, Int32 totalPages, Double top, Double availableHeight, ReportSection nextSection, Boolean isFirstSectionOnPage)at Microsoft.ReportingServices.Rendering.HPBProcessing.Report.NextPage(RPLWriter rplWriter, Int32 totalPages)at Microsoft.ReportingServices.Rendering.HPBProcessing.HPBProcessing.GetNextPage(RPLReport& rplReport)at Microsoft.ReportingServices.Rendering.ImageRenderer.PDFRenderer.Render(Report report, NameValueCollection deviceInfo, Hashtable renderProperties, CreateAndRegisterStream createAndRegisterStream)at Microsoft.ReportingServices.Rendering.ImageRenderer.RendererBase.Render(Report report, NameValueCollection reportServerParameters, NameValueCollection deviceInfo, NameValueCollection clientCapabilities, Hashtable& renderProperties, CreateAndRegisterStream createAndRegisterStream)--- End of inner exception stack trace ---at Microsoft.ReportingServices.Rendering.ImageRenderer.RendererBase.Render(Report report, NameValueCollection reportServerParameters, NameValueCollection deviceInfo, NameValueCollection clientCapabilities, Hashtable& renderProperties, CreateAndRegisterStream createAndRegisterStream)at Microsoft.ReportingServices.ReportProcessing.ReportProcessing.RenderFromOdpSnapshot(IRenderingExtension newRenderer, String streamName, ProcessingContext pc, RenderingContext rc)--- End of inner exception stack trace ---;library!ReportServer_0-4!8cc!:: i INFO: Exception UnhandledReportRenderingException dumped to: C:\Program Files\Microsoft SQL Server\MSRS10_50.MSSQLSERVER\Reporting Services\Logfiles flags= AllMemory, AllThreads, SendToWatson date-time : i INFO: Exception UnhandledReportRenderingException dumped to: C:\Program Files\Microsoft SQL Server\MSRS10_50.MSSQLSERVER\Reporting Services\Logfiles flags= AllMemory, AllThreads, SendToWatson
Referencias
Para obtener más información sobre la representación, visite el siguiente sitio web de Microsoft TechNet:
Gereral información sobre el procesamientoPara obtener más información sobre cómo usar las regiones de datos de Tablix , visite el siguiente sitio web de Microsoft Developer Network (MSDN):