Binding a Combobox in a user control

10-29-2009 10:54 PM |

Hello,

I am trying to create a user control that contains a combobox and 2 textblocks. I want to expose binding points in xaml so I can bind the text properties on the textblocks and also bind the combo box. Again I want to do all of my binding in xaml rather than in code.

I am only working on the combobox binding right now, once I get that working, the text properties should be easy enough.

Here is what I am thinking (but it's not working):

My user control xaml looks like this:
<sydControls:CascadingPicker TitleText="Select Year" FooterText="Hover To Change" Margin="8,241,513,94" ComboDataContext="{Binding Source={StaticResource YearDataSource}}" ComboItemsSource="{Binding Mode=OneWay}" ComboItemTemplate="{StaticResource YearsComboItem}" />

Re: Binding a Combobox in a user control

10-29-2009 11:32 PM |

I would first try to make the error go away before you make it funciton properly. If you you remove the ComboDataContext, does it run without error? And it seems you have the two reversed. Wouldn't you give the ComboItemSource the YearDataSource?

Re: Binding a Combobox in a user control

10-30-2009 9:01 AM |

 If I remove the properties that set the bindings, then yes it compiles and runs, but of course, the combo is empty. So that doesnt really get me anywhere. As far as the two being reversed, I copied the 3 properties (DataContext, ItemsSource and ItemTemplate) from a working combobox on the same page, then I just added the word "Combo" in front of the 3 property names and made sure they matched properties on the code behind. The original post is the result.

I played with the code last night for a while longer, but I am unable to get it to populate the combobox.

-Savij