Xamarin ListView with Binding in xaml to C# code

Question

How do I convert the following ListView with ItemTemplate and Binding in the xaml file to equivalent C# code:

<ListView VerticalOptions="FillAndExpand" HorizontalOptions="FillAndExpand" 
    ItemsSource="{Binding A}" ItemSelected="OnClick">
    <ListView.ItemTemplate>
        <DataTemplate>
            <TextCell Text="{Binding b}" Detail="{Binding c}"/>
        </DataTemplate>
    </ListView.ItemTemplate>
</ListView>

JKennedy · Accepted Answer · 2015-08-19 14:52:19Z

8

Try something like this:

ListView lv = new ListView();
lv.HorizontalOptions = LayoutOptions.FillAndExpand;
lv.VerticalOptions = LayoutOptions.FillAndExpand;
lv.SetBinding(ListView.ItemsSourceProperty, new Binding("A"));
lv.ItemSelected += (sender, args) =>
{
    onclick(sender, args);
}; //Remember to remove this event handler on dispoing of the page;
DataTemplate dt = new DataTemplate(typeof(TextCell));
dt.SetBinding(TextCell.TextProperty, new Binding("b"));
dt.SetBinding(TextCell.DetailProperty, new Binding("c"));
lv.ItemTemplate = dt;

For more complex Datatemplates do:

DataTemplate dt = new DataTemplate(() => 
{
   var button = new Button();
   button.SetBinding(Button.TextProperty, new Binding("Name"));
   return new ViewCell { View = button };
});

edited Aug 19, 2015 at 14:52

answered Aug 19, 2015 at 8:07

JKennedy

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4 Comments

Jon Over a year ago

Is it possible that there are multiple TextCells in DataTemplate? In that case, how to bind the fields properly?

Mohamad Mahmoud Darwish Over a year ago

@user1 could you please show us how to have button and label on same DateTemplate ..thanks

Luminous_Dev Over a year ago

@user1 hey if you have stacklayout instead of textcell and have two labels inside the stacklayout. How do you know which one you are binding withdt.SetBinding(Label.TextProperty, new Binding("b")) how to specify which label I want to bind to. Or even navigating into complex datatemplate such as Grid?

JKennedy Over a year ago

@Luminous_Dev in your case dt should be the Label you are going to set the binding on

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