We can consider introducing functionality that allows users to conditionally style/format the control in a similar manner as the WinForms feature: https://docs.telerik.com/devtools/winforms/controls/gridview/cells/conditional-formatting-cells.

You are able to resize columns using the columns gripper. The corresponding group will be automatically resized. We can provide a way to resize the column groups. The columns inside the group will be automatically resized with the group.

The class Telerik.Windows.Data.QueryableExtensions has a static dictionary "providerIsEntityFrameworkCore"

That dictionary will hold a reference (forever) to a collection that is set as Source for the GridView.

Reason is that non IQueryable-types will be wrapped in a EnumerableQuery<T> that will return itself as the provider (https://referencesource.microsoft.com/#System.Core/System/Linq/SequenceQuery.cs,44), encapsulating the reference.

This must be something introduced recently.

Add a separator element under the last pinned row, similar to the frozen columns splitter. The visual could be e horizontal line shown at the bottom border of the row.

QueryableEntityCoreCollectionView internal collections not in sync.

Currently, there is no workaround to this behavior.

Currently, the RadGridView control does not provide an API for copying its column groups.

Items in ViewModel are asynchronously removed and added from the collection bound to GridView ItemsSource.
While clicking in the GridViewRows, some items might appear selected although they are not foreign group and SelectionChanged is not fired for them being as added items.

Currently, if RadGridView is bound to a INotifyCollectionChanged collection and the collection class raises the CollectionChanged event with NotifyCollectionChangedAction set to Add, Remove or Insert, RadGridView is not updating its items properly when the OldItems or NewItems collections contain more than 1 items.

Add support for this scenario.

Add support for binding to properties of type GUID.

Dear Telerik Support Team,

I am encountering an issue with the RadGridView control in my application, which is impacting the usability for users relying on screen readers. Below, I have outlined the details of my development environment, the problem, and attached a sample project demonstrating the issue.

Issue Description:
In the attached sample project, I have implemented a simple RadGridView without any custom styling and populated it with sample data. I have observed that the focus behavior is inconsistent, particularly with the first cell in the RadGridView. When attempting to focus the first cell, only the cell itself receives focus, unlike subsequent cells where both the cell and the entire row are focused. This inconsistency results in screen readers failing to read out the content of the first cell, while they correctly read the contents of all other cells.

Upon further investigation using the Snoop utility to explore the visual tree, I noticed that the GotFocused event for the initially focused cell identifies it as being of type RadGridView, whereas, for other cells, the type is GridViewCell. This discrepancy seems to be at the root of the issue.

Attachments:
I have included a simplified, runnable standalone application that reproduces this behavior. Please find the sample project attached to this ticket.

I believe this might be a bug affecting the accessibility of the application, and I would greatly appreciate your guidance on whether this is a known issue with a workaround or if there's a fix available.

Thank you for your assistance.

Best regards,

 

Christian

First Tab:

Second Tab:

The following exception is raised when adding a ColumnGroupDescriptor to the GroupDescriptors property of a RadGridView. This bug is data specific and I've only been able to duplicate it with a large data set but the issue seems like it could be addressed without the actual data, given that the code causing the issue is apparently passing a pixelWidth < 0.

System.ArgumentOutOfRangeException: 'The parameter value must be greater than zero.
Parameter name: pixelWidth'

  PresentationCore.dll!System.Windows.Media.Imaging.RenderTargetBitmap.RenderTargetBitmap(int pixelWidth, int pixelHeight, double dpiX, double dpiY, System.Windows.Media.PixelFormat pixelFormat) Unknown
  Telerik.Windows.Controls.dll!Telerik.Windows.Controls.FrameworkElementToImageConverter.ToImage(System.Windows.FrameworkElement element) Unknown
  Telerik.Windows.Controls.GridView.dll!Telerik.Windows.Controls.GridView.GridViewGroupPanel.ConvertFrameworkElementToImage(System.Windows.FrameworkElement frameworkElement) Unknown
  Telerik.Windows.Controls.GridView.dll!Telerik.Windows.Controls.GridView.GridViewGroupPanel.GetEffectiveContentForDescriptor(Telerik.Windows.Data.IGroupDescriptor descriptor) Unknown
  Telerik.Windows.Controls.GridView.dll!Telerik.Windows.Controls.GridView.GridViewGroupPanel.PrepareContainerForItemOverride(System.Windows.DependencyObject element, object item) Unknown
  PresentationFramework.dll!System.Windows.Controls.ItemsControl.MS.Internal.Controls.IGeneratorHost.PrepareItemContainer(System.Windows.DependencyObject container, object item) Unknown
  PresentationFramework.dll!System.Windows.Controls.Panel.AddChildren(System.Windows.Controls.Primitives.GeneratorPosition pos, int itemCount) Unknown
  PresentationFramework.dll!System.Windows.Controls.Panel.OnItemsChangedInternal(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs args) Unknown
  PresentationFramework.dll!System.Windows.Controls.Panel.OnItemsChanged(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs args) Unknown
  PresentationFramework.dll!System.Windows.Controls.ItemContainerGenerator.OnItemAdded(object item, int index, System.Collections.Specialized.NotifyCollectionChangedEventArgs collectionChangedArgs) Unknown
  PresentationFramework.dll!System.Windows.Controls.ItemContainerGenerator.OnCollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs args) Unknown
  WindowsBase.dll!System.Windows.WeakEventManager.ListenerList<System.Collections.Specialized.NotifyCollectionChangedEventArgs>.DeliverEvent(object sender, System.EventArgs e, System.Type managerType) Unknown
  WindowsBase.dll!System.Windows.WeakEventManager.DeliverEvent(object sender, System.EventArgs args) Unknown
  PresentationFramework.dll!System.Windows.Data.CollectionView.OnCollectionChanged(System.Collections.Specialized.NotifyCollectionChangedEventArgs args) Unknown
  WindowsBase.dll!System.Windows.WeakEventManager.ListenerList<System.Collections.Specialized.NotifyCollectionChangedEventArgs>.DeliverEvent(object sender, System.EventArgs e, System.Type managerType) Unknown
  WindowsBase.dll!System.Windows.WeakEventManager.DeliverEvent(object sender, System.EventArgs args) Unknown
  PresentationFramework.dll!System.Windows.Data.CollectionView.OnCollectionChanged(System.Collections.Specialized.NotifyCollectionChangedEventArgs args) Unknown
  PresentationFramework.dll!System.Windows.Data.ListCollectionView.ProcessCollectionChangedWithAdjustedIndex(System.Collections.Specialized.NotifyCollectionChangedEventArgs args, int adjustedOldIndex, int adjustedNewIndex) Unknown
  System.dll!System.Collections.ObjectModel.ObservableCollection<System.__Canon>.OnCollectionChanged(System.Collections.Specialized.NotifyCollectionChangedEventArgs e) Unknown
  Telerik.Windows.Data.dll!Telerik.Windows.Data.ObservableItemCollection<Telerik.Windows.Data.IGroupDescriptor>.OnCollectionChanged(System.Collections.Specialized.NotifyCollectionChangedEventArgs e) Unknown
  System.dll!System.Collections.ObjectModel.ObservableCollection<System.__Canon>.InsertItem(int index, System.__Canon item) Unknown
> Sage.Platform.Core.Wpf.dll!Sage.EstDataSource.Wpf.RadGridViewSerializer.DeserializeGroupDescriptors(Telerik.Windows.Controls.GridView.GridViewDataControl grid, Sage.Wpf.Utilities.GridViewSerializationInfo serializationInfo) Line 524 C#
  Sage.Platform.Core.Wpf.dll!Sage.EstDataSource.Wpf.RadGridViewSerializer.DeserializeGridInfo(Telerik.Windows.Controls.GridView.GridViewDataControl grid, System.Func<string, bool> isRenamableColumn, System.Xml.XmlReader reader, bool skipDeserializeGroups) Line 235 C#
  Sage.Platform.Core.Wpf.dll!Sage.EstDataSource.Wpf.RadGridViewSerializer.DeserializeGridSettings(Telerik.Windows.Controls.GridView.GridViewDataControl grid, System.Func<string, bool> isRenamableColumn, System.IO.Stream stream, bool skipDeserializeGroups) Line 199 C#
  Sage.Platform.Core.Wpf.dll!Sage.EstDataSource.Wpf.RadGridViewSerializer.DeserializeGridSettings(Telerik.Windows.Controls.GridView.GridViewDataControl grid, System.Func<string, bool> isRenamableColumn, System.IO.Stream stream) Line 168 C#
  Sage.Estimating.DataSource.Wpf.dll!Sage.EstDataSource.Wpf.ViewModel.EstimateDB.EstimateGridViewModel.DeserializeLayoutGridInfo(Telerik.Windows.Controls.RadGridView dataGrid, System.IO.MemoryStream stream) Line 122 C#
  Sage.Estimating.DataSource.Wpf.dll!Sage.EstDataSource.Wpf.ViewModel.EstimateDB.EstimateGridViewModel.DeserializeCurrentLayoutGridInfo(Telerik.Windows.Controls.RadGridView dataGrid, System.IO.MemoryStream defaultLayoutStream) Line 257 C#
  Sage.Estimating.DataSource.Wpf.dll!Sage.EstDataSource.Wpf.View.EstimateDB.EstimateGrid.ApplyCurrentLayoutToGrid() Line 210 C#
  Sage.Estimating.DataSource.Wpf.dll!Sage.EstDataSource.Wpf.View.EstimateDB.EstimateGrid.EstimateInfoGrid_Loaded(object sender, System.Windows.RoutedEventArgs e) Line 167 C#
  PresentationCore.dll!System.Windows.EventRoute.InvokeHandlersImpl(object source, System.Windows.RoutedEventArgs args, bool reRaised) Unknown
  PresentationCore.dll!System.Windows.UIElement.RaiseEventImpl(System.Windows.DependencyObject sender, System.Windows.RoutedEventArgs args) Unknown
  PresentationFramework.dll!System.Windows.BroadcastEventHelper.BroadcastEvent(System.Windows.DependencyObject root, System.Windows.RoutedEvent routedEvent) Unknown
  PresentationFramework.dll!System.Windows.BroadcastEventHelper.BroadcastLoadedEvent(object root) Unknown
  PresentationCore.dll!MS.Internal.LoadedOrUnloadedOperation.DoWork() Unknown
  PresentationCore.dll!System.Windows.Media.MediaContext.FireLoadedPendingCallbacks() Unknown
  PresentationCore.dll!System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks() Unknown
  PresentationCore.dll!System.Windows.Media.MediaContext.RenderMessageHandlerCore(object resizedCompositionTarget) Unknown
  PresentationCore.dll!System.Windows.Media.MediaContext.RenderMessageHandler(object resizedCompositionTarget) Unknown
  WindowsBase.dll!System.Windows.Threading.ExceptionWrapper.InternalRealCall(System.Delegate callback, object args, int numArgs) Unknown
  WindowsBase.dll!System.Windows.Threading.ExceptionWrapper.TryCatchWhen(object source, System.Delegate callback, object args, int numArgs, System.Delegate catchHandler) Unknown
  WindowsBase.dll!System.Windows.Threading.DispatcherOperation.InvokeImpl() Unknown
  WindowsBase.dll!MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(object obj) Unknown
  mscorlib.dll!System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, object state, bool preserveSyncCtx) Unknown
  mscorlib.dll!System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, object state, bool preserveSyncCtx) Unknown
  mscorlib.dll!System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, object state) Unknown
  WindowsBase.dll!MS.Internal.CulturePreservingExecutionContext.Run(MS.Internal.CulturePreservingExecutionContext executionContext, System.Threading.ContextCallback callback, object state) Unknown
  WindowsBase.dll!System.Windows.Threading.DispatcherOperation.Invoke() Unknown
  WindowsBase.dll!System.Windows.Threading.Dispatcher.ProcessQueue() Unknown
  WindowsBase.dll!System.Windows.Threading.Dispatcher.WndProcHook(System.IntPtr hwnd, int msg, System.IntPtr wParam, System.IntPtr lParam, ref bool handled) Unknown
  WindowsBase.dll!MS.Win32.HwndWrapper.WndProc(System.IntPtr hwnd, int msg, System.IntPtr wParam, System.IntPtr lParam, ref bool handled) Unknown
  WindowsBase.dll!MS.Win32.HwndSubclass.DispatcherCallbackOperation(object o) Unknown
  WindowsBase.dll!System.Windows.Threading.ExceptionWrapper.InternalRealCall(System.Delegate callback, object args, int numArgs) Unknown
  WindowsBase.dll!System.Windows.Threading.ExceptionWrapper.TryCatchWhen(object source, System.Delegate callback, object args, int numArgs, System.Delegate catchHandler) Unknown
  WindowsBase.dll!System.Windows.Threading.Dispatcher.LegacyInvokeImpl(System.Windows.Threading.DispatcherPriority priority, System.TimeSpan timeout, System.Delegate method, object args, int numArgs) Unknown
  WindowsBase.dll!MS.Win32.HwndSubclass.SubclassWndProc(System.IntPtr hwnd, int msg, System.IntPtr wParam, System.IntPtr lParam) Unknown
  [Native to Managed Transition]
  [Managed to Native Transition]
  WindowsBase.dll!System.Windows.Threading.Dispatcher.PushFrameImpl(System.Windows.Threading.DispatcherFrame frame) Unknown
  PresentationFramework.dll!System.Windows.Application.RunDispatcher(object ignore) Unknown
  PresentationFramework.dll!System.Windows.Application.RunInternal(System.Windows.Window window) Unknown
  Sage.EstManagementConsole.exe!Sage.EstManagementConsole.EstimatingManagementConsoleApp.Main() Unknown

Distinct values are not displayed when setting the FilterMemberPath to the Date property of a DateTime DataTable column when it contains DBNull.Value.

Generally, this is present because while the distinct values are generated, we check for the Date property in each row, however, when it reaches a row that has a DBNull.Value value, an exception is thrown because the Date property cannot be found in null.

StackOverflowException is thrown when perfoming sorting, filtering or grouping on GridView bound to DynamicObject

The header row (the group headers in a GridView, or a parent row in a TreeListView) stays in the screen while scrolling until all the children rows have been scrolled.

The feature is available in R3 2017 Release of UI for WPF.
Check what's new in R3 2017 here: 
http://www.telerik.com/support/whats-new/wpf/release-history/ui-for-wpf-r3-2017

ViewRow's background is not correctly colored when RadGridView is within RadBusyIndicator and it is busy. There is no problem if your are using GridViewLoadingIndicator.

The last row is not fully visible when the gridview is scrolled to the bottom in case RowHeight is set to less than 20px. The less the row height the smaller the part of the last row which is visible. This is reproducible only in Office2013 theme. 

1) I created a 5 X 5 table.
2) Then I selected second column.
3) Then I applied Right Align to the selected column.
4)Then I Right clicked on the last row and selected Insert > Insert row below
5) It inserted the row with all cells left aligned.

The cells should adapt the alignment of the column they are in.

Exporting to Excel for hierarchical grid view i.e parent and child grid.
The Output Excel should be looks like drill down report which child report can be hidden/visible.

Wrong selection when data is real time updated

Pasted rows are not correct after coping all rows with SelectionMode Extended. This is caused by the incorrect count of the cells in SelectedCells collection. 

Resolved with LIB version 2014.1.0428.