Completed
Last Updated: 17 Dec 2025 13:58 by ADMIN
Release 12.1.0

Null reference exception occurs when measuring the cells container:

at Telerik.Maui.Controls.DataGrid.DataGridTextCellArranger.PrepareContainerForItemOverride(GridCellModel model)
   at Telerik.Maui.Controls.DataGrid.DataGridNumericalCellArranger.PrepareContainerForItemOverride(GridCellModel model)
   at Telerik.Maui.Controls.DataGrid.DataGridColumn.Telerik.Maui.Controls.DataGrid.IDataGridColumnDefinition.PrepareContainerForItem(GridCellModel model)
   at Telerik.Maui.Controls.DataGrid.CellsController`1.GenerateCellsForRow(IItemInfoNode rowModel, Int32 rowSlot)
   at Telerik.Maui.Controls.DataGrid.NodePool`2.GenerateModelsForInfos(IList`1 itemInfos, ModelGenerationContext modelGenerationContext, MeasureContext measureContext)
   at Telerik.Maui.Controls.DataGrid.NodePool`2.MeasureForward(MeasureContext& context)
   at Telerik.Maui.Controls.DataGrid.NodePool`2.MeasureVertically(RadSize availableSize, Double offset, Double verticalBuffer)
   at Telerik.Maui.Controls.DataGrid.NodePool`2.OnMeasure(RadSize availableSize, Double offset, Double verticalBuffer)
   at Telerik.Maui.Controls.DataGrid.GridModel.MeasureCells(RadSize availableSize)
   at Telerik.Maui.Controls.DataGrid.DataGridContentLayout.Measure(Double widthConstraint, Double heightConstraint)
   at Microsoft.Maui.Platform.MauiPanel.MeasureOverride(Size availableSize)
   at ABI.Microsoft.UI.Xaml.IFrameworkElementOverrides.Do_Abi_MeasureOverride_0(IntPtr thisPtr, Size availableSize, Size* result)

Completed
Last Updated: 17 Dec 2025 13:53 by ADMIN
Release 12.1.0

when setting Telerik PlatformDark and PlatformLight themes, the DataPager_PageSizesView_LabelText  localization string of the DataPager does not apply. 

 

Workaround: Use the Telerik themes

Completed
Last Updated: 17 Dec 2025 13:26 by ADMIN
Release 12.1.0
Provide an API that allows control over item highlight behavior during filtering. Specifically, if the search text does not match any item, no item should be highlighted, and pressing Enter should not trigger a selection.
Completed
Last Updated: 17 Dec 2025 13:25 by ADMIN
Release 12.1.0
Created by: Leonard
Comments: 2
Category: CheckBox
Type: Feature Request
0
For example IsCheckedChanging event with e.Cancel
Completed
Last Updated: 17 Dec 2025 13:24 by ADMIN
Release 12.1.0
Created by: Christopher
Comments: 1
Category: DataGrid
Type: Feature Request
0
Similar to the Indicator and FilterIndicator, they both expose FontOptions - FontFamily, FontAttributes and FontSize properties. Provide such for the SortIndicator.
Completed
Last Updated: 17 Dec 2025 11:52 by ADMIN
Release 12.1.0
Calling Focus(); does not focus the control. 
Completed
Last Updated: 17 Dec 2025 11:52 by ADMIN
Release 12.1.0
When items are added to a collapsed group in the DataGrid, they are not marked as collapsed internally, which causes gaps to appear at the bottom of the control. These items are still considered during the measure phase, resulting in an inaccurate height calculation for the row content.
Completed
Last Updated: 17 Dec 2025 11:52 by ADMIN
Release 12.1.0

NullReferenceException occurs when they click on an AutoComplete item other than the first one on macOS, using a mouse or trackpad.

System.NullReferenceException: Object reference not set to an instance of an object
   at Telerik.Maui.Controls.MouseHelper.OnUIHoverGestureRecognizerExecuted()
   at Telerik.Maui.Controls.MouseHelperProxy.HandleHover()
   at UIKit.UIGestureRecognizer.ParameterlessDispatch.Activated()
   at UIKit.UIGestureRecognizer.ParameterlessDispatch.__Registrar_Callbacks__.callback_1672_UIKit_UIGestureRecognizer_ParameterlessDispatch_Activated(IntPtr pobj, IntPtr sel, IntPtr* exception_gchandle)
--- End of stack trace from previous location ---
   at UIKit.UIApplication.UIApplicationMain(Int32 argc, String[] argv, IntPtr principalClassName, IntPtr delegateClassName)
   at UIKit.UIApplication.Main(String[] args, Type principalClass, Type delegateClass)
   at Fmr.SuperNova.Program.Main(String[] args)
Completed
Last Updated: 17 Dec 2025 11:52 by ADMIN
Release 12.1.0
jittering occurs when scrolling through the data and having binding in the footer text, expanding the row details and live data update.
Completed
Last Updated: 17 Dec 2025 11:52 by ADMIN
Release 12.1.0

When setting GroupAggregatesAlignment NextToHeader and the column size mode is stretch or auto, the aggregates text in the group header is misaligned, part of the text enters in next column when data changes.

 

when the column is resized or datagrid is scrolled, the aggregates are aligned as expected

Completed
Last Updated: 17 Dec 2025 11:52 by ADMIN
Release 12.1.0

When the cells are measured a NullReferenceException is thrown:

Telerik.Maui.Controls.DataGrid.DataGridTextCellArranger.PrepareTextPaintable(GridCellModel model, TextPaintable textPaintable)
Telerik.Maui.Controls.DataGrid.DataGridTextCellArranger.PrepareContainerForItemOverride(GridCellModel model)
Telerik.Maui.Controls.DataGrid.DataGridCellArranger.PrepareContainerForItem(GridCellModel model)
Telerik.Maui.Controls.DataGrid.DataGridColumn.IDataGridColumnDefinition.PrepareContainerForItem(GridCellModel model)
Telerik.Maui.Controls.DataGrid.CellModelGenerator.PrepareModelForItem(GridCellModel decorator)
Telerik.Maui.Controls.DataGrid.CellsController<GridCellModel>.GenerateCellsForRow(IItemInfoNode rowModel, Int32 rowSlot)
Telerik.Maui.Controls.DataGrid.GridModel.ITable.GenerateCellsForRow(Int32 rowSlot, Double largestRowElementHeight, IItemInfoNode rowDecorator, Boolean isFrozen)
Telerik.Maui.Controls.DataGrid.NodePool<GridRowModel, RowGenerationContext>.GenerateCellsForLine(Int32 slot, Double largestLength, GridRowModel lastElement)
Telerik.Maui.Controls.DataGrid.NodePool<GridRowModel, RowGenerationContext>.GenerateModelsForInfos(IList<> itemInfos, ModelGenerationContext modelGenerationContext, MeasureContext measureContext)
Telerik.Maui.Controls.DataGrid.NodePool<GridRowModel, RowGenerationContext>.MeasureForward(MeasureContext& context)
Telerik.Maui.Controls.DataGrid.NodePool<GridRowModel, RowGenerationContext>.MeasureVertically(RadSize availableSize, Double offset, Double verticalBuffer)
Telerik.Maui.Controls.DataGrid.NodePool<GridRowModel, RowGenerationContext>.OnMeasure(RadSize availableSize, Double offset, Double verticalBuffer)
Telerik.Maui.Controls.DataGrid.GridModel.MeasureFrozenCells(RadSize availableSize)
Telerik.Maui.Controls.DataGrid.DataGridContentLayout.Measure(Double widthConstraint, Double heightConstraint)
Telerik.Maui.Controls.RadLayoutManager.Measure(Double widthConstraint, Double heightConstraint)
Microsoft.Maui.Controls.Layout.CrossPlatformMeasure(Double widthConstraint, Double heightConstraint)
Microsoft.Maui.Platform.MauiView.CrossPlatformMeasure(Double widthConstraint, Double heightConstraint)
Microsoft.Maui.Platform.MauiView.SizeThatFits(CGSize size)
Telerik.Maui.ScrollView.ScrollViewContent.TryGetDesiredSize(UIView view, CGSize availableSize)
Telerik.Maui.ScrollView.ScrollViewContent.SizeThatFits(CGSize size)
Telerik.Maui.ScrollView.ScrollViewContent.ValidateMeasure()
Telerik.Maui.ScrollView.ScrollViewContent.LayoutSubviews()
Telerik.Maui.ScrollView.ScrollViewContent.__Registrar_Callbacks__.callback_1209_Telerik_Maui_ScrollView_ScrollViewContent_LayoutSubviews(IntPtr pobj, IntPtr sel, IntPtr* exception_gchandle)
--- End of stack trace from previous location ---
Completed
Last Updated: 17 Dec 2025 11:52 by ADMIN
Release 12.1.0
The control is covered by the keyboard when positioned on the bottom of the view
Completed
Last Updated: 17 Dec 2025 11:52 by ADMIN
Release 12.1.0

 The following null reference exception occurs inside the CanLoadMoreItems method

Object reference not set to an instance of an object

   at Telerik.Maui.Controls.DataGrid.GridModel.CanLoadMoreItems()
   at Telerik.Maui.Controls.DataGrid.GridModel.MeasureCells(RadSize availableSize)
   at Telerik.Maui.Controls.DataGrid.DataGridContentLayout.Measure(Double widthConstraint, Double heightConstraint)
   at Microsoft.Maui.Platform.MauiPanel.MeasureOverride(Size availableSize)
   at ABI.Microsoft.UI.Xaml.IFrameworkElementOverrides.Do_Abi_MeasureOverride_0(IntPtr thisPtr, Size availableSize, Size* result)

Completed
Last Updated: 14 Nov 2025 09:09 by ADMIN
Release 12.0.0 (2025 Q4)
Appointments are not rendered accurately when scrolling through the time ruler and using appointment template selector and custom appointments
Completed
Last Updated: 13 Nov 2025 12:45 by ADMIN
Release 12.0.0 (2025 Q4)
Created by: Dong
Comments: 4
Category: Scheduler
Type: Feature Request
4
Provide AgendaView in the Scheduler for .NET MAUI
Completed
Last Updated: 12 Nov 2025 17:55 by ADMIN
Release 12.0.0 (2025 Q4)
Created by: JOHN
Comments: 2
Category: Chat (Conversational UI)
Type: Feature Request
1
Provide an option to attach images also exchange images in the chat
Completed
Last Updated: 12 Nov 2025 16:24 by ADMIN
Release 12.0.0 (2025 Q4)
When I use an autocomplete, I type "John" which comes up with "John Doe" high lighted in the input box, if i hit tab i get a tab in the input box. I want to have an option to select item from the drop-down using the keyboard keys. 
Completed
Last Updated: 12 Nov 2025 16:10 by ADMIN
Release 12.0.0 (2025 Q4)
Created by: Davy
Comments: 1
Category: AutoComplete
Type: Feature Request
0
- a way to close this result popup by the Escape key,

- A way to move with the keyboards up and down arrows from the input part to the result popup
Completed
Last Updated: 12 Nov 2025 15:09 by ADMIN
Release 12.0.0 (2025 Q4)
Created by: Chris
Comments: 2
Category: DataGrid
Type: Feature Request
1

Currently, i can use the public method ScrollItemIntoView to scroll to an item in the DataGrid. 

I noticed you have an internal method: ScrollColumnIntoView. Please make it public so I can use it to scroll to a specific column.

Completed
Last Updated: 12 Nov 2025 15:08 by ADMIN
Release 12.0.0 (2025 Q4)
Created by: Craig
Comments: 1
Category: ComboBox
Type: Feature Request
13
When the Microsoft Picker control receives focus you can open the popup by pressing the Enter keyboard key. Provide such option for the Telerik MAUI ComboBox control.
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