I've got some RDL using it in a (windows forms) .net 2.0 app.
When user clicks around in app, rdl is reloaded into report viewer. For the same RDL I sometimes get the error, sometimes not.
When I run my app debugging in Visual Studio it never gets the error. Immediately after running, I launch the exe from the bin folder and now I get errors (but only 50% of the time the report gets refreshed)
The Exception occurs when I call ReportViewer.RefreshReport
I've looked through the RDL at every place where there is a minOccurs and they are all either "0" or "1".
Interestingly if I call Application.DoEvents() immediately before I call RefreshReport I can but the amount of time the error happens down to 5%... but it still occasionally happens!
The definition of the report 'Main Report' is invalid. , An unexpected error occurred in Report Processing. , The value for the 'minOccurs' attribute is invalid - The value for the 'minOccurs' attribute must be xsd:nonNegativeInteger.. (DefinitionInvalidException) Stack Trace: Microsoft.Reporting.DefinitionInvalidException: The definition of the report 'Main Report' is invalid. ---> Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: An unexpected error occurred in Report Processing. ---> System.Xml.Schema.XmlSchemaException: The value for the 'minOccurs' attribute is invalid - The value for the 'minOccurs' attribute must be xsd:nonNegativeInteger.. at System.Xml.Schema.XmlSchema.Read(XmlReader reader, ValidationEventHandler validationEventHandler) at System.Xml.Schema.XmlSchema.Read(Stream stream, ValidationEventHandler validationEventHandler) at Microsoft.ReportingServices.ReportProcessing.ReportPublishing.RmlValidatingReader..ctor(XmlTextReader textReader, PublishingErrorContext errorContext, String targetRDLNamespace) at Microsoft.ReportingServices.ReportProcessing.ReportPublishing.RmlValidatingReader.CreateReader(XmlTextReader upgradedRDLReader, PublishingErrorContext errorContext, String targetRDLNamespace) at Microsoft.ReportingServices.ReportProcessing.ReportPublishing.Phase1(CatalogItemContext reportContext, Byte[] definition, CreateReportChunk createChunkCallback, CheckSharedDataSource checkDataSourceCallback, String& description, String& language, DataSourceInfoCollection& dataSources, UserLocationFlags& userReferenceLocation, Boolean& hasExternalImages, Boolean& hasHyperlinks) at Microsoft.ReportingServices.ReportProcessing.ReportPublishing.CreateIntermediateFormat(CatalogItemContext reportContext, Byte[] definition, CreateReportChunk createChunkCallback, CheckSharedDataSource checkDataSourceCallback, PublishingErrorContext errorContext, AppDomain compilationTempAppDomain, Boolean generateExpressionHostWithRefusedPermissions, String& description, String& language, ParameterInfoCollection& parameters, DataSourceInfoCollection& dataSources, UserLocationFlags& userReferenceLocation, ArrayList& dataSetsName, Boolean& hasExternalImages, Boolean& hasHyperlinks) at Microsoft.ReportingServices.ReportProcessing.ReportProcessing.CompileReport(CatalogItemContext reportContext, Byte[] reportDefinition, CreateReportChunk createChunkCallback, CheckSharedDataSource checkDataSourceCallback, PublishingErrorContext errorContext, AppDomain compilationTempAppDomain, Boolean generateExpressionHostWithRefusedPermissions, String& reportDescription, String& reportLanguage, ParameterInfoCollection& parameters, DataSourceInfoCollection& dataSources, UserLocationFlags& userReferenceLocation, ArrayList& dataSetsName, Boolean& hasExternalImages, Boolean& hasHyperlinks) at Microsoft.ReportingServices.ReportProcessing.ReportProcessing.CreateIntermediateFormat(CatalogItemContext reportContext, Byte[] reportDefinition, CreateReportChunk createChunkCallback, CheckSharedDataSource checkDataSourceCallback, AppDomain compilationTempAppDomain, Boolean generateExpressionHostWithRefusedPermissions) --- End of inner exception stack trace --- at Microsoft.ReportingServices.ReportProcessing.ReportProcessing.CreateIntermediateFormat(CatalogItemContext reportContext, Byte[] reportDefinition, CreateReportChunk createChunkCallback, CheckSharedDataSource checkDataSourceCallback, AppDomain compilationTempAppDomain, Boolean generateExpressionHostWithRefusedPermissions) at Microsoft.Reporting.ReportCompiler.CompileReport(CatalogItemContext context, Byte[] reportDefinition, Boolean generateExpressionHostWithRefusedPermissions, ReportSnapshotBase& snapshot) --- End of inner exception stack trace --- at Microsoft.Reporting.ReportCompiler.CompileReport(CatalogItemContext context, Byte[] reportDefinition, Boolean generateExpressionHostWithRefusedPermissions, ReportSnapshotBase& snapshot) at Microsoft.Reporting.StandalonePreviewStore.StoredReport.CompileReport() at Microsoft.Reporting.StandalonePreviewStore.StoredReport.get_Snapshot() at Microsoft.Reporting.StandalonePreviewStore.GetCompiledReport(CatalogItemContext context, Boolean rebuild, ReportSnapshotBase& snapshot) at Microsoft.Reporting.LocalService.GetCompiledReport(CatalogItemContext itemContext, Boolean rebuild, ReportSnapshotBase& snapshot) at Microsoft.Reporting.LocalService.CompileReport(CatalogItemContext itemContext, Boolean rebuild) at Microsoft.Reporting.WinForms.LocalReport.CompileReport()