I have an ObservableCollection<Object>
that contains two different types.
I want to bind this list to a ListBox and display different DataTemplates for each type encountered. I can't figure out how to automatically switch the data templates based on the type.
I have attempted to use the DataType property of the DataTemplate and attempted using ControlTemplates and a DataTrigger, but to no avail, either it nothing shows up, or it claims it can't find my types...
Example Attempt below:
I only have the one data template wired to the ListBox right now, but even that doesn't work.
XAML:
<Window x:Class="WpfApplication1.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Window1" Height="300" Width="300">
<Window.Resources>
<DataTemplate x:Key="PersonTemplate">
<TextBlock Text="{Binding Path=Name}"></TextBlock>
</DataTemplate>
<DataTemplate x:Key="QuantityTemplate">
<TextBlock Text="{Binding Path=Amount}"></TextBlock>
</DataTemplate>
</Window.Resources>
<Grid>
<DockPanel>
<ListBox x:Name="MyListBox" Width="250" Height="250"
ItemsSource="{Binding Path=ListToBind}"
ItemTemplate="{StaticResource PersonTemplate}"></ListBox>
</DockPanel>
</Grid>
</Window>
Code Behind:
public class Person
{
public string Name { get; set; }
public Person(string name)
{
Name = name;
}
}
public class Quantity
{
public int Amount { get; set; }
public Quantity(int amount)
{
Amount = amount;
}
}
public partial class Window1 : Window
{
ObservableCollection<object> ListToBind = new ObservableCollection<object>();
public Window1()
{
InitializeComponent();
ListToBind.Add(new Person("Name1"));
ListToBind.Add(new Person("Name2"));
ListToBind.Add(new Quantity(123));
ListToBind.Add(new Person("Name3"));
ListToBind.Add(new Person("Name4"));
ListToBind.Add(new Quantity(456));
ListToBind.Add(new Person("Name5"));
ListToBind.Add(new Quantity(789));
}
}
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