Custom tabbing control on RadGrid columns

[Mike]

Hi,

I'm hoping to set my tabstops in order to prevent certain columns from being tabbed to within a RadGridView. For example, say I have a grid with columns 'Name', 'Address', 'Phone Number', and 'Notes'. All columns except notes are strictly for displaying retrieved data, but the Notes column is editable, and uses a textbox within a datatemplate. I only want to have tabbing enabled to the Notes column, and have the tabs not stop at any other columns. Initially I tried setting the main RadGridView declaration to TabIndex=-1 and IsTabStop=False, with the TextBox for Notes set to be a tabstop, but tab controls on the RadGridView don't seem to function correctly - it is still possible to tab to the RadGridView. Is it possible to control tabbing within a RadGridView, or even disable tabbing to it?

Thanks very much.

Edit: I've forgotten to mention that I'm developing using Silverlight and C# in an MVVM framework.

[Nedyalko Nikolov]

Hello Mike,

If you set RadGridView.IsTabStop and you don't have some custom elements within (like custom CellTemplates) TAB should skip RadGridView (except in case when RadGridView is in edit mode). However you can disable tabbing by overriding TAB key behavior (for more information take a look at this blog post). Another possible solution is to set first three columns ("Name", "Address", "Phone Number" as read-only and then when RadGridView is in edit mode TAB will navigate only between editable cells).

Kind regards,
Nedyalko Nikolov
the Telerik team

[Mike]

Hi Nedyalko,
Thanks for your reply and sorry for the delay in my response.
My code seems to fit what you describe, but it does not behave as expected. I'm using this code for my RadGridView:

<telerik:RadGridView ShowGroupPanel="False" ItemsSource="{Binding Customers}" IsFilteringAllowed="False"
    CanUserSortColumns="False" CanUserReorderColumns="False" CanUserFreezeColumns="False" IsReadOnly="False" Grid.Row="2" EditTriggers="CellClick"
    SelectionMode="Single" AutoGenerateColumns="False">
    <telerik:RadGridView.Columns>
        <telerik:GridViewDataColumn Header="Name" Width="Auto" HeaderTextAlignment="Center" DataMemberBinding="{Binding Name}" IsReadOnly="True">
        </telerik:GridViewDataColumn>
        <telerik:GridViewDataColumn Header="Phone" Width="Auto" HeaderTextAlignment="Center" DataMemberBinding="{Binding Phone}" IsReadOnly="True">
        </telerik:GridViewDataColumn>
        <telerik:GridViewDataColumn Header="Address" Width="Auto" HeaderTextAlignment="Center" DataMemberBinding="{Binding Address}" IsReadOnly="True">
        </telerik:GridViewDataColumn>
        <telerik:GridViewDataColumn Header="Notes" Width="150" HeaderTextAlignment="Center" DataMemberBinding="{Binding Address}" IsReadOnly="False">
        </telerik:GridViewDataColumn>
    </telerik:RadGridView.Columns>
</telerik:RadGridView>

When I tab in to the grid from another control, the tab stop cycles through each column header and then each cell in the grid. The tab behavior is unchanged if I set TabIndex=-1 and IsTabStop=false in my RadGridView declaration - it will still tab through both the column headers and grid itself. I am hoping to have the tab stop only in the 'Notes' cells (and not any column headers) whether the grid is in edit mode or not. I will try the custom key command method that you linked to. Is it possible to prevent tabbing to column headers using this method? It is not obvious to me whether this is possible, or how to go about it.

My goals aside, it seems that the functionality that controls tabbing to RadGridView does not work properly, as I cannot prevent it from being tabbed in to.

Regards,
Mike

[Nedyalko Nikolov]

Hi Mike,

Could you confirm that you are using our latest version (2010.Q2 - 2010.2.714.1040)? RadGridView.IsTabStop will work only with our latest version.
We will consider to add a property to the GridViewColumn (may be IsTabStop) which could be used in such cases. Unfortunately I cannot commit with any specific date or release when we will introduce it (approximately around one month from now). I'm not sure that implementing this with overriding key behavior will worth the coding.

All the best,
Nedyalko Nikolov
the Telerik team

[Pawan Sharma]

Hi,

I am having the same issue with the latest version of the RadGridview. I want to stop the tab on some of the GridviewColumn while in current scenario it stops at each GridviewColumn. In the previous comment of this thread, I saw there was mention of IsTabStop property to be introduced for the GridviewColumn. Please let us know if there is any plan to implement the same in near future.

Thanks & Regards,
Pawan 

[Nedyalko Nikolov]

Hi Pawan,

Indeed we have to plan to introduce such property and we are doing our best in order to deliver it for the upcoming beta release of our control. And of course this will become official with the next official release. If we manage to make it earlier we will make it public via latest internal build program so stay tuned.

Regards,
Nedyalko Nikolov
the Telerik team

[Anton Swanevelder]

Hi,

I also urgently need the TabStop property on GridViewDataColumn. I see from this post that this was to be added 1 year ago.

Can you please advise what the status of this is.

Thanks,
Anton

[Nedyalko Nikolov]

Hi,

We will introduce such property (GridViewColumn.TabStopMode) with the next official release (2012.1.SP1).

All the best,
Nedyalko Nikolov
the Telerik team

[Anton Swanevelder]

Hi,

Is this fix available in this release 2012.1.215 or is this release still due?

Thanks,
Anton

[Nedyalko Nikolov]

Hello,

TabStopMode property is available with our latest internal build (2012.1.0319) and will be available with the upcoming service pack as well.

All the best,
Nedyalko Nikolov
the Telerik team

[Adam]

Hi all,

This functionality seems to be broken for a grid with all columns using controls in the CellTemplate.  The Tab Stop will skip when tabbing backwards, but tabbing forwards from the first column will skip past all other columns set to skip.  Very strange.

Thanks!
Adam.g

[Yordanka]

Hello Adam,

I am not sure I understand the problem you describe. Do you set TabStopMode="Skip" for all columns or for particular ones? Can you describe the steps you perform and when exactly the tab navigation does not work correctly according to TabStopMode setting?
 
Greetings,
Yordanka
the Telerik team

[Adam]

Sure,

I think the overall problem trying to be solved is that when using controls in cell templates of the RadGridView tabs go first to the cell then to the control then to the next cell.  Currently, when using this setup and setting each column to TabStopMode="Skip", forward tabbing through the cells skips the columns AND the controls, so this obviously isn't working as I might expect, though this may be your intended behavior.  However, as another eccentricity of this setup, backwards tabbing through the fields actually works exactly as I expect, with the column cells not being selected but each control getting focus.

Adam.g

[Vera]

Hello Adam,


We have tried to reproduce the described behavior but without any success. Could you please share some more details about your particular scenario? What does your custom control contains? A code-snippet would be of much help.


Kind regards,
Vera
the Telerik team

[Sumila]

Hello Team,

 

I am facing a similar issue. Is there a solution? I want tab key to skip header and move only through Grid cells. Thanks in advance.

[Vladimir Stoyanov]

Hello Sumila,

I tested this behavior in the CustomKeyboardCommandProvider SDK example without making any modifications and I was not able to reproduce it. I am attaching a sample video demonstrating the behavior on my end. You can observe that the Tab navigation is skipping the column headers. 

Can you check out the attached video and the referenced SDK example and see what you are doing differently on your side? Should you need any further assistance, may I ask you to send over some runnable code snippets which I can use in order to reproduce the described behavior? You can also open a new support ticket and attach a project there. This way I will be able to check out what happens on my end and further investigate.

I am looking forward to your reply.

Regards,
Vladimir Stoyanov
Progress Telerik