Adding Greater/LessThan filter operator results in an exception when using a DataProvider and a DataTable as its source

The FilteringControl of a column filters a wrong column when an ItemPropertyInfo is inserted at runtime. The newly inserted property info should create a column placed between other columns (not at the end of the view). The new column filtering is wrong.

Currently, the RadVirtualGrid control does not provide the functionality to copy the column headers as the RadGridView does. We can extend the copy functionality to contain such behavior.

This component will have the goal to achieve fast operations when dealing with millions of records from a data source. This should be accomplished by decoupling the UI logic from data management operations like loading, filtering, sorting and grouping which should be delegated to the server. Since the grid will not have ItemsSource property, the developer will be responsible for managing the data to/from the server through a given events.

Official version of RadVirtualGrid is available from 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

Only the first selected item is returned in the AddedItems argument of the SelectionChanged event when using the Extended selection mode.

VirtualGridCellClipboardEventArgs.Cell.ColumnIndex is off by 1 if you pin a column to the left.

Same with VirtualGridCellClipboardEventArgs.Cell.RowIndex if you pin a column to the top.

 

Create a built-in method which exports the control in .xlsx format.

Setting/Binding SelectedIndex property does not change the selected item.

When the UI Filtering is disabled through the IsFilterable or CanUserFilterColumns property, the filtering button is hidden, however the mouse cursor is changed to Hand in its location and the columns cannot be filtered when clicking over it. 

CopyToClipboard method of the virtual grid copies the last selected cell.

Currently, the RadVirtualGrid control doesn't support selecting the cells of the pinned columns. Add support for this.

Add Support For Header Text Orientation (Rotation) by programming On Virtual Grid.

The styling applied in the HeaderCellDecorationsNeeded event is not respected for the horizontal row headers. 

Currently RadVirtualGrid allows you to set the visibility of the horizontal and vertical grid lines, and also adjust their stroke brush. Add the option to set also the stroke thickness, and to allow these settings to be conditionally applied per row and column. This will allow you to change the stroke and thickness of a specific vertical or horizontal line.

Available in LIB version 2017.3.1113, it will be also available in the R1 2018 Release.

UPDATE: The issue occurs in both cases - when populating with data manually and through DataProvider. We will be able to provide a fix for the DataProvider case, as well as the manual popupating if you use TextBox for editor. 
If populating manually and you need to use a different editor such as DateTimePicker for example, you will need to handle its background on creation.