xamarin Forms onclick event code example

Example 1: C# xamarin button

<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="ButtonDemos.BasicButtonClickPage"
             Title="Basic Button Click">
    <StackLayout>

        <Label x:Name="label"
               Text="Click the Button below"
               FontSize="Large"
               VerticalOptions="CenterAndExpand"
               HorizontalOptions="Center" />

        <Button Text="Click to Rotate Text!"
                VerticalOptions="CenterAndExpand"
                HorizontalOptions="Center"
                Clicked="OnButtonClicked" />

    </StackLayout>
</ContentPage>

Example 2: xamarin android click event

Button button = FindViewById<Button> (Resource.Id.btnOne);

        button.Click += delegate {
          button.Text = string.Format ("{0} clicks!", count++);
        };