1. Feedback
  2. Blazor
  3. 32450

Welcome to the Blazor feedback portal. We’re happy you’re here! If you have feedback on how to improve the Blazor, we’d love to hear it!

  • Check out the features or bugs others have reported and vote on your favorites. Feedback will be prioritized based on popularity.
  • If you have feedback that’s not listed yet, submit your own.

Thanks for joining our community and helping improve Syncfusion products!

1
Vote

To restrict UI actions when PivotTable is being updated

Customer Query:

Hi,


A production can be produced with the project attached.


When I drill down on the row - cf attached image, NullReferenceException thrown - cf screenshot, here is the callstack:




> Syncfusion.Blazor.dll!Syncfusion.Blazor.PivotView.Internal.PivotEngine.UpdateFilterPosition() Line 3403 C#

  Syncfusion.Blazor.dll!Syncfusion.Blazor.PivotView.Internal.PivotEngine.GenerateTableInfo(Syncfusion.Blazor.PivotView.HeaderCollection headerCollection) Line 6193 C#

  Syncfusion.Blazor.dll!Syncfusion.Blazor.PivotView.Internal.PivotEngine.OnDrill(Syncfusion.Blazor.PivotView.DrilledItem drilledItem, Syncfusion.Blazor.PivotView.DataOptions dataSourceSettings, bool enableVirtualization) Line 3091 C#

  Syncfusion.Blazor.dll!Syncfusion.Blazor.PivotView.Internal.Drill.TriggerDrillEvent(Syncfusion.Blazor.PivotView.DrillArgs drillArgs, System.Collections.Generic.List clonedDrillMembers) Line 195 C#

  Syncfusion.Blazor.dll!Syncfusion.Blazor.PivotView.Internal.Drill.OnDrill(Syncfusion.Blazor.PivotView.AxisSet currentCell, string fieldName) Line 76 C#

  Syncfusion.Blazor.dll!Syncfusion.Blazor.PivotView.Internal.PivotCell.OnDrill() Line 45 C#

  Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.EventCallbackWorkItem.InvokeAsync(System.MulticastDelegate delegate, object arg) Unknown

  Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.ComponentBase.Microsoft.AspNetCore.Components.IHandleEvent.HandleEventAsync(Microsoft.AspNetCore.Components.EventCallbackWorkItem callback, object arg) Unknown

  Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.RenderTree.Renderer.DispatchEventAsync(ulong eventHandlerId, Microsoft.AspNetCore.Components.RenderTree.EventFieldInfo fieldInfo, System.EventArgs eventArgs) Unknown

  Microsoft.AspNetCore.Components.Server.dll!Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost.DispatchEvent.AnonymousMethod__0() Unknown

  Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.InvokeAsync.AnonymousMethod__9_0(object state) Unknown

  Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(System.Threading.Tasks.TaskCompletionSource completion, System.Threading.SendOrPostCallback d, object state) Unknown

  System.Private.CoreLib.dll!System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, object state) Unknown

  Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.WorkItem item) Unknown

  System.Private.CoreLib.dll!System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(System.Threading.Thread threadPoolThread, System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, object state) Unknown

  System.Private.CoreLib.dll!System.Threading.Tasks.Task.ExecuteWithThreadLocal(ref System.Threading.Tasks.Task currentTaskSlot, System.Threading.Thread threadPoolThread) Unknown

  System.Private.CoreLib.dll!System.Threading.ThreadPoolWorkQueue.Dispatch() Unknown


Can you please suggest? 

Thanks!

Yi


Requirement description:

This problem occurs when we click the expand icon while updating the pivot table due to a data source mismatch between the new and old data sources. As a result, we must limit operations such as drilling, sorting, and so on while the pivot table is being updated.