To reproduce the problem, there need to be defined a huge amount of columns(400-500). The workaround is to call the Clear method of the Columns collection of RadGridView

Add a mechanism to fix the current viewport (scrollbar position) when new items are inserted. Currently, when you insert items before the viewport's start, the scrollbar position is offset.

Excessive CPU usage when GroupRenderMode is set to Flat, RowDetailsTemplate is used and RowDetailsVisibilityMode is set to Visible. This issue is not reproduced only with Material,  Office2016,  Office2016Touch and Windows8Touch themes.

radGridView has a feature to provides a suggest and append feature.  Currently, there is the ability for the end user to inadvertently close this window.  Please provide the opportunity via a property to disable the ability to close the search window.  (currently, I am hooking the SearchPanelVisibilityChanged event, and forcing showSearchPanel = true at all times.

Scheduled for: 
The exposed property (SearchPanelCloseButtonVisibility) will be available with LIB (version 2018.3.1210) published on Monday, 10-th December, 2018. 

Expose a SearchText property so that search as you type can be achieved through a custom TextBox instead of the GridViewSearchPanel.

The content of the cell is set from .LoadContent() method and is returned from the CreateCellElement method of the column. 

One possible scenario for a fix is to change that behavior and apply directly the template as WPF DataGrid does. However, this is a huge breaking change with CreateCellElement method is widely used. The second approach is to leave the code as it is right now, return the element from method of DataTemplate and set the ContentTemplate property of the cell to that DataTemplate. This will cause the content to be loaded twice. Which will degrade the  

So, as it turns out the solution is either to introduce breaking change or degrade the performance. Both of them are against our believes and efforts to improve the controls. 

Our suggestion is to use a workaround -  setting triggers directly to the style. We do hope you understand our concerns. 

When format cell is copying from Excell, only the formatted value is passed into the RadGridView.

Add a property to the RadGridView that provides a distinct template for adding a new row.

Sometimes you have classes with no default constructor. Those classes may have properties that are read-only after construction. This cannot be handled in the RadGridView, because you only have the choice of a CellEditTemplate. (I'm envisioning something akin to the RowDetailsTemplate.)

Example: I have a class that defines a invoice match for payment application. Once the invoice is set it cannot be changed. The user can still edit the match, but they're only allowed to edit the amount to be applied.

Introduce a GridViewTimeSpanColumn for handling properties of the TimeSpan type.

Hi Telerik-Team,

 

When creating a new item in the GridView by either mouse or insert button the row is not selected or highlighted.

I guess this is a bug, since a cell in the new row has focus but not the row.

 

Best regards,

Mats

There is a bug overriding the method ProvideCommandsForKey(Key key) in DefaultKeyboardCommandProvider.
When pressing F10, the received key is Key.System.

Currently, RadGridView scrolls three rows when using the mouse wheel. There should be an API that allows developers to change this setting.

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.

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.