Holding DownArrow with VirualScrolling causes an exception when Navigable=true

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Duplicated

Last Updated: 30 Jul 2020 16:46 by ADMIN

Robert

Created on: 26 Feb 2020 15:07

Category: Grid

Type: Bug Report

Holding DownArrow with VirualScrolling causes an exception when Navigable=true

Video here

https://drive.google.com/file/d/12em-oc6xRJ_JjbFSANK9IqKDkK0f7p6y/view

Select an item in the grid and press and hold down arrow...

System.NullReferenceException: Object reference not set to an instance of an object.
   at Telerik.Blazor.Components.TelerikGridBase`1.FocusPagerAsync()
   at Telerik.Blazor.Components.TelerikGridBase`1.FocusCellAsync(GridNavigationCommandEventArgs args)
   at Telerik.Blazor.Components.TelerikGridBase`1.FocusAdjacentCellAsync(GridNavigationCommandEventArgs args, Int32 rowIndexOffset, Int32 columnIndexOffset)
   at Telerik.Blazor.Components.TelerikGridBase`1.FocusBottomCellAsync(GridNavigationCommandEventArgs args)
   at Telerik.Blazor.Components.TelerikGridBase`1.ExecuteNavigationCommandAsync(GridNavigationCommandEventArgs args)
   at Telerik.Blazor.Components.TelerikGridBase`1.ExecuteCommand(Object args)
   at Telerik.Blazor.Components.Grid.GridRowBase`1.OnExecuteCommand(GridCommandEventArgs commandArgs)
   at Telerik.Blazor.Components.Grid.GridDataCellBase`1.ExecuteCommandAsync(GridCommandEventArgs args)
   at Telerik.Blazor.Components.Grid.GridNavigableCellBase`1.ExecuteNavigationCommandAsync(String commandName, Int32 rowIndexOffset, Int32 columnIndexOffset, KeyboardEventArgs args)
   at Telerik.Blazor.Components.Grid.GridNavigableCellBase`1.ProcessKeyDown(KeyboardEventArgs args)
   at Telerik.Blazor.Components.Grid.GridContentCell`1.ProcessKeyDown(KeyboardEventArgs args)
   at Telerik.Blazor.Components.Grid.GridNavigableCellBase`1.OnKeyDown(KeyboardEventArgs args)
   at Microsoft.AspNetCore.Components.ComponentBase.CallStateHasChangedOnAsyncCompletion(Task task)
   at Microsoft.AspNetCore.Components.RenderTree.Renderer.GetErrorHandledTask(Task taskToHandle)

Duplicated

This item is a duplicate of an already existing item. You can find the original item here:

Pressing Down arrow at the end of a grid with Pageable=false and Navigable=true throws a NullReferenceException

2 comments

ADMIN

Marin Bratanov

Posted on: 30 Jul 2020 16:46

This page has a better explanations and higher popularity, so let's Follow this issue there: https://feedback.telerik.com/blazor/1476226-pressing-down-arrow-at-the-end-of-a-grid-with-pageable-false-and-navigable-true-throws-a-nullreferenceexception

Regards,
Marin Bratanov
Progress Telerik

ADMIN

Marin Bratanov

Posted on: 26 Feb 2020 15:59

Hello Robert,

I made this public at the following URL so you can Follow its status: https://feedback.telerik.com/blazor/1455434-holding-downarrow-with-virualscrolling-causes-an-exception-when-navigable-true. Ialso tweaked the name so it is a little more descriptive.

Regards,
Marin Bratanov
Progress Telerik

UI for Blazor