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

Matt Randle · Accepted Answer · 2011-09-28 00:56:32Z

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, 2011 at 0:56

user142162

answered Mar 21, 2009 at 11:35

Matt Randle

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2 Comments

surfen Over a year ago

Here is the example of using StaticResource proxy to forward DataContext: tomlev2.wordpress.com/2011/03/21/…

Pascalsz Over a year ago

i am using MVVM and it worked finde with the provided link: thomaslevesque.com/2011/03/21/…

Kent Boogaart · Accepted Answer · 2011-09-28 00:56:27Z

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, 2011 at 0:56

user142162

answered Mar 21, 2009 at 10:02

Kent Boogaart

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Comments

Glorfindel · Accepted Answer · 2022-10-08 08:10:14Z

1

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 8, 2022 at 8:10

Glorfindel

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answered Jun 22, 2010 at 11:45

Guge

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1 Comment

surfen Over a year ago

Yes. forwarding datacontext is the way to go. Similar but IMHO simpler approach: tomlev2.wordpress.com/2011/03/21/…

sth · Accepted Answer · 2010-02-17 01:38:11Z

0

If you can bind from code you can use

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

edited Feb 17, 2010 at 1:38

sth

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answered Feb 16, 2010 at 18:47

Joseph

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