Data Binding Label Content to Array

Question

I am somewhat new to WPF and Data Binding, it seems very powerful. I'm wondering if there's a way to have a set of labels, and have there Content property all binded to a different index in array of strings. So then as the array is updated, the labels automatically change too.

The xaml syntax is still a bit foreign to me and I haven't been able to get it to work.

devdigital · Accepted Answer · 2012-02-22 18:07:08Z

4

If this is a dynamic set of labels, then you may be better off using an ItemsControl, and changing its ItemTemplate to display a label for each item in the collection that it is bound to (a collection of strings in your case).

Something like:

<ItemsControl ItemsSource="{Binding MyLabelStrings}">
  <ItemsControl.ItemTemplate>
    <DataTemplate>
      <Label Content="{Binding}" ... />
    </DataTemplate>
  </ItemsControl.ItemTemplate>
</ItemsControl>

As Bojin mentions, if you wish your UI to update if strings are added/removed from the collection, then use an ObservableCollection for the MyLabelStrings property.

answered Feb 22, 2012 at 18:07

devdigital

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3 Comments

Bojin Li Over a year ago

Don't forget to use an observable collection to store your strings.

Ternary Over a year ago

Oh so not an array then, something like a List<String>? And I guess I just use this ItemsControl and have a <Label> for every string in the source?

devdigital Over a year ago

You can use a List<string> or ObservableCollection<string>, but the OC will give you collection change notifications, so the UI will update when the collection changes.

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