It should be a relatively straightforward task to add a checkbox, which, when clicked iterates over all the DataGridRow’s and sets there IsSelected property accordingly. Sorry – but I do not have the time to actually write the code for you. If you get stuck, there are lots of helpful people on the WPF Toolkit forums:

http://www.codeplex.com/wpf/Thread/List.aspx

Regards, Colin E.

Ex: Check all Checkbox control

In order to bind a value of ‘Y’ or ‘N’ to your checkbox column you will need a small class called a value converter. There are lots of articles / blog posts that show you how to use ValueConverters. Try reading the following:

http://www.codeproject.com/KB/WPF/OppositeBoolConverter.aspx

Also, a good place to ask WPF DataGrid questions is the codeplex forum here:

http://www.codeplex.com/wpf/Thread/View.aspx

Regards, Colin E.

The DataGrid should already have a button in the top left corner that provides ‘select all’ functionality. If you want to change this to a checkbox you will have to change the control template for the DataGrid. I would suggest getting a copy of the WPF Toolkit sourcecode and familiarising yourself with the templates for this control:

http://www.codeplex.com/wpf/Release/ProjectReleases.aspx?ReleaseId=15598

You might also find this post on Vincent Sibal’s blog useful:

http://blogs.msdn.com/vinsibal/archive/2008/08/14/wpf-datagrid-dissecting-the-visual-layout.aspx

He basically shows how the various templates that make up the DataGrid are assembled.

I have not tried locating the checkbox in a templated column, so I’m afraid I have not seen the issue you describe. I am a bit busy to try it out myself, however I am sure you would find help on the WPF toolkit codeplex forum:

http://www.codeplex.com/wpf/Thread/List.aspx

Regards, Colin E.

Thanks for your response. I’m sorry I hadn’t explained the expected funtionality.
The requirement is that when the user “checks” / “selects” on the Checkbox (SelectAll) the checkboxes in all rows are are checked & all the rows are highlighted as “Selected” and if the Checkbox (SelectAll) is “unselected” / “unchecked”, the checkboxes in all the rows correspondingly get unchecked & highlighting of all the rows should be undone.
I tried the code snippet from the website given by you, but I’m facing a problem in it. When I select multiple rows using the checkbox (For Ex: 5 continuous rows) and then if I try to uncheck the checkbox, (for ex:- checkbox pertaining to second row), then checkbox remains checked but the selection of the second row remains, instead the other rows will be unselected & so will be the checkboxes!!
Is this behavior appearing because the row selection “IsSelected” property is assigned to the checkbox “IsChecked” property and not vice versa?
I need to highlight the selected row in the datagrid, when the checkbox is checked and undo the highlighting / selection of the row when the checkbox is unchecked.
Can you please help me around with this?

Also I wanted to know if it is possible to incorporate a checkbox (instead of gray area) for the “Select All” purpose using a row header template itself?