Dear,
I have been evaluating Telerik Reporting for one of the my clients. I have developed a report with drill down and i faced following problem.
Actually there is grouping on one Database field and under that field a group exists only for column labels. On Parent group footer's Action I toggle the visibility of detail section,Parent group header section, and label group header section which are initially invisible. This drill down works fine in report designer preview. In web page viewer expension of headers and detail sections works fine but when i want to collapse these back by clicking minus sign I was given following error
Server Error in '/WebViewer' Application.
Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index
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.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. |
Stack Trace:
[ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index] System.ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument argument, ExceptionResource resource) +64 System.ThrowHelper.ThrowArgumentOutOfRangeException() +15 System.Collections.Generic.List`1.get_Item(Int32 index) +7499588 Telerik.ReportViewer.WebForms.StreamManager.GetStreamInfo(Int32 pageIndex) +41 Telerik.ReportViewer.WebForms.ReportPageOperation.WriteHtmlPage(StreamManager streamManager, Int32 pageIndex) +44 Telerik.ReportViewer.WebForms.ReportPageOperation.RenderReport(String format, IList`1 processingReports, Hashtable deviceInfo, Hashtable renderingContext) +615 Telerik.ReportViewer.WebForms.ReportRenderOperation.PerformOperationOverride() +286 Telerik.ReportViewer.WebForms.ReportPageOperation.PerformOperationOverride() +150 Telerik.ReportViewer.WebForms.HandlerOperation.PerformOperation(HttpContext context, ICacheManager cacheManager) +68 Telerik.ReportViewer.WebForms.BasicHandler.ProcessRequest(HttpContext context) +241 System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +181 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75
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Please help me.
Regards