Binding Visible property of a DataGridColumn in WPF DataGrid

Question

I cannot bind the Visible property of the WPF datagridtextcolumn to a boolean value.

My binding expression is,

{Binding Path=DataContext.IsThisColumnVisible, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=Window},Converter={StaticResource vc}}

I have checked that the converter works (bool to the visibility enum) and is in scope.

If I use the same expression for the header of the column, the header displays 'false' as expected.

Visible is a dependency property so should be bindable.

Anyone see what Im doing wrong? Or has anyone else been able to bind to the visible property.

Regards,

Matt

score 8 · Accepted Answer · edited Sep 28 '11 at 00:56

8

I worked this out.

DataGridCOlumn is not a framework element so the FindAncestor call was failing (DataGridColumn not part of visual tree)

Have to set source property of binding expression to a staticresource and it works fine.

edited Sep 28 '11 at 00:56

answered Mar 21 '09 at 11:35

Matt Randle

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Here is the example of using StaticResource proxy to forward DataContext: http://tomlev2.wordpress.com/2011/03/21/wpf-how-to-bind-to-data-when-the-datacontext-is-not-inherited/ – surfen Dec 13 '11 at 21:00
i am using MVVM and it worked finde with the provided link: http://www.thomaslevesque.com/2011/03/21/wpf-how-to-bind-to-data-when-the-datacontext-is-not-inherited/ – Pascalsz Jul 09 '13 at 10:53

score 1 · Answer 2 · edited Oct 08 '22 at 08:10

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I was looking for the same thing and found an execellent way to do it in an article about forwarding datacontext to columns.

edited Oct 08 '22 at 08:10

Glorfindel

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answered Jun 22 '10 at 11:45

Guge

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Yes. forwarding datacontext is the way to go. Similar but IMHO simpler approach: http://tomlev2.wordpress.com/2011/03/21/wpf-how-to-bind-to-data-when-the-datacontext-is-not-inherited/ – surfen Dec 13 '11 at 20:59

score 1 · Answer 3 · edited Sep 28 '11 at 00:56

1

Hard to say from so little of your code. What is in Visual Studio's Output window (under Debug)? That will often give you a clue as to the problem.

edited Sep 28 '11 at 00:56

answered Mar 21 '09 at 10:02

Kent Boogaart

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score 0 · Answer 4 · edited Feb 17 '10 at 01:38

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If you can bind from code you can use

BindingOperations.SetBinding(DatagridColumInstance,
                             DatagridColum.VisibilityProperty,
                             myNewBindDef);

edited Feb 17 '10 at 01:38

sth

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answered Feb 16 '10 at 18:47

Joseph

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Binding Visible property of a DataGridColumn in WPF DataGrid

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