Binding with an anonymous object on WP7.5

Question

On WP7.5 I created a datacontext like this:

this.DataContext = new { One = listOne, Two = listTwo};

On my XAML code I tried this:

<TextBlock Text="{Binding listOne.m_strTypeTiers}" Style="{StaticResource PhoneTextNormalStyle}" />
<TextBlock Text="{Binding listTwo.m_strTypeTiers}" Style="{StaticResource PhoneTextNormalStyle}" />

My textbox are empty. I think my binding syntax has a mistake.

What does `this` refer to? You may also want to check your output for WPF binding warning messages. — JDB, Jan 15 '13 at 20:45
My xamlFile is named page1.xaml, and this is on my cs page, named page1.xaml.cs. This the Page1.xaml.cs instance. — Walter Fabio Simoni, Jan 15 '13 at 20:49
And an important thing, if i make " this.datacontext = ListOne " the binding is ok. My problem comes from the {one = ListOne, two = ListTwo}. — Walter Fabio Simoni, Jan 15 '13 at 21:01

score 2 · Answer 1 · edited May 23 '17 at 12:04

2

I think you are looking for {Binding One.m_strTypeTiers}

But it depends on what listOne and listTwo are. Are they classes with a property named m_strTypeTiers? If m_strTypeTiers is a field, then you will not be able to databind to it. Databinding only works with properties (by default).

UPDATE
Oops. Silverlight does not support binding to anonymous types. I was thinking of WPF for desktop applications. Windows Phone 7 uses Silverlight which is very similar but different in some important ways. I think you are out of luck - you will need to define a concrete class.

You may find this article helpful in the future:
Contrasting Silverlight and WPF (...not that it would have helped you with this particular question)

edited May 23 '17 at 12:04

Community

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answered Jan 15 '13 at 20:27

JDB

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It's a class, and They are properties :) – Walter Fabio Simoni Jan 15 '13 at 20:34
In that case, you may want to consider reading up on Microsoft's [Guidelines for Names](http://msdn.microsoft.com/en-us/library/vstudio/ms229002.aspx). – JDB Jan 15 '13 at 20:38
Thanks for this link, nevertheless, i tried {Binding One.m_strTypeTiers} with no succes :( – Walter Fabio Simoni Jan 15 '13 at 20:43

Binding with an anonymous object on WP7.5

1 Answers1