Won't Fix
Last Updated: 29 Aug 2019 06:27 by ADMIN
Workaround for GroupHeaderTemplate:

<grid:RadDataGrid.GroupHeaderTemplate>
    <DataTemplate>
        <Label Text="{Binding Group.Key}"/>
    </DataTemplate>
</grid:RadDataGrid.GroupHeaderTemplate>


Workaround for column:

<telerikDataGrid:DataGridTemplateColumn HeaderText="Name" >
    <telerikDataGrid:DataGridTemplateColumn.CellContentTemplate>
        <DataTemplate>
            <Label Text="{Binding Name}"/>
        </DataTemplate>
    </telerikDataGrid:DataGridTemplateColumn.CellContentTemplate>
</telerikDataGrid:DataGridTemplateColumn>

 
UPDATE:
We have decided not to change the code of the RadDataGrid component in this regard. The root reason for this is the fact that the Skia APIs used to draw the text does not support automatic character fallback. To overcome this issue, people from Skia team have two suggestions. We have tested them out and none of them is applicable for the case of the DataGrid.
First approach slows down the performance of the component to a point where the DataGrid becomes unusable.
Second approach does not fix the problem in all cases.
Having this in mind the best approach for our customers in such cases is to use a TemplateCell with a Label inside it only for the column(s) where they expect symbols to occur. The Xamarin.Forms.Label supports automatic character fallback hence it should properly handle all cases.
Approved
Last Updated: 19 Aug 2019 09:58 by ADMIN
When display is on high resolution screen (MS surface book screen 3000*2000 with 200% scale) the DataGrid is not resized correctly.  See attachments. 
Approved
Last Updated: 07 Aug 2019 14:40 by ADMIN
Applying custom filter to the datagrid and removing column at the same time disables the horizontal scrollbar - in scenario when the content of the column is bigger than the screen size.
Completed
Last Updated: 23 Jul 2019 05:09 by ADMIN
Release 2019.2.708 (R2 2019 minor release)
When the UserSortMode is set to single and it is sorted by a Template column that has DelegateSortDescriptor when we tap on another column the SortDirection of the Template is still visible.
Completed
Last Updated: 23 Jul 2019 05:09 by ADMIN
Release 2019.2.708 (R2 2019 minor release)
Created by: Yash
Comments: 0
Category: DataGrid
Type: Bug Report
0
If there a components which handles the Tap gesture (e.g. a button) is inside the TemplateCell, the DoubleTap gesture of the RadDataGrid throws NullReferenceException.
Approved
Last Updated: 04 Jul 2019 15:07 by ADMIN
Provide a way to associate a FilterDescriptor with a TemplatedColumn
Declined
Last Updated: 02 Jul 2019 08:25 by ADMIN
Created by: Safan
Comments: 1
Category: DataGrid
Type: Feature Request
7

Currently in 2019 R2 and earlier, the "options" button at the bottom of the filtering UI allows the user to rearrange and toggle the visibility of columns in the DataGrid.

I request to have a property or setting on the DataGrid or the DataGridColumn that will prevent the user from changing the visibility or ordering of columns. from that UI (just like you can prevent user filtering or user sorting)

Completed
Last Updated: 19 Jun 2019 12:48 by ADMIN
Release R2 2019 SP1
when the LoadOnDemand mode is set to Automatic and there are no more items for loading, the automatic load on demand is called
Completed
Last Updated: 03 Jun 2019 14:33 by ADMIN
Release 2019.2.603.360 (R2 2019 minor release)

When starting an app that contians a RadDataGrid in the initial page, an exception is thrown because the telerikfont.ttf file is left unregistered.

Work-around:

Access anything from the TelerikFont class before the InitializeComponent of the page:

TelerikFont.GetUseEmbeddedFont(this);

Approved
Last Updated: 24 May 2019 07:05 by ADMIN
After scrolling down enough times where all of the data is loaded, if I try to scroll a bit more, things go a bit crazy.  A loading icon flickers on and off over the grid; the data in the grid flickers away and then back; and the entire UI essentially gets stuck in this situation.
Approved
Last Updated: 21 May 2019 10:07 by ADMIN

Flicker can be observed when datagrid is manipulated/updated, or entering in edit mode. One example is tapping on a column header - when there is a column with a HeadetTemplate, the column header flickers. Other example is to double-tap a cell to go in edit mode. Also the behavior can be reproduced when DataGrid TemplateColumn is used.

Completed
Last Updated: 15 May 2019 13:53 by ADMIN
Release R2 2019
Currently, all groups are expanded by default. We should expose methods to collapse/expand certain groups. Furthermore, CollapseAll, ExpandAll groups should be considered as well.
Completed
Last Updated: 15 May 2019 13:53 by ADMIN
Release R2 2019
System.MissingFieldException: "Field not found" 'Xamarin.Forms.VisualElement.". is thrown when clicking the options button on each column's header. The issue occurs when updating to XF 3.5. 
Approved
Last Updated: 14 May 2019 12:25 by ADMIN
Created by: Franz
Comments: 1
Category: DataGrid
Type: Bug Report
0
DataGridColumn.ActualWidth always returns 0
Approved
Last Updated: 18 Apr 2019 14:22 by ADMIN
Created by: Rémi
Comments: 1
Category: DataGrid
Type: Feature Request
3

For Aggregates purpose or just for diplaying some others datas, footer for column in DataGrid it's needed feature.

Approved
Last Updated: 16 Apr 2019 12:42 by ADMIN
Created by: Safan
Comments: 1
Category: DataGrid
Type: Bug Report
10

I have an custom column extending "DataGridTextColumn". This column overrides "CreateGroupDescriptor" methods and returns an instance of "DelegateGroupDescriptor". Once we group items in this column it can never be cleared/un-grouped.

 

Any help would be heighly appreciated. Thanks in advance.

Approved
Last Updated: 15 Apr 2019 13:12 by ADMIN
Currently you can bind to SelectedItem but not the entire collection of SelectedItems. Being able to access the collection would greatly simplify programmatic selection and deselection of items in the DataGrid, especially with an MVVM project structure.
Declined
Last Updated: 08 Apr 2019 07:11 by ADMIN
Created by: Stephanus van Staden
Comments: 2
Category: DataGrid
Type: Bug Report
0

 When defining a Date column like

<tdg:DataGridDateColumn PropertyName="ExpiryDate" HeaderText="Expiry"/>


and binding data with a type with Nullable datetime

public System.DateTime? ExpiryDate
{
   get { return _expiryDate; }
   set { SetProperty(ref _expiryDate, value); }
} 

We get an exception

 

Is there a workaround?

 

Thanks 

Approved
Last Updated: 05 Apr 2019 07:48 by ADMIN
 System.ObjectDisposedException:(Cannot access a disposed object) is thrown when switching tabs fast in RadTabView.
Approved
Last Updated: 14 Mar 2019 15:23 by ADMIN
Created by: Marko
Comments: 0
Category: DataGrid
Type: Feature Request
0