MyContentPage.cs

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

using Xamarin.Forms;

namespace ListViewDemoVS
{
    class MyContentPage : ContentPage
    {
        ObservableCollection<Item> items = new ObservableCollection<Item>
            {
                new Item { Title = "First", Description = "1st" },
                new Item { Title = "Second", Description = "2nd" },
                new Item { Title = "Third", Description = "3rd" }
            };

        public MyContentPage()
        {
            Padding = new Thickness(0, Device.OnPlatform(20, 0, 0), 0, 0);

            var listView = new ListView();

            listView.ItemsSource = items;
            listView.ItemTemplate = new DataTemplate(typeof(TextCell));
            listView.ItemTemplate.SetBinding(TextCell.TextProperty, "Title");
            listView.ItemTemplate.SetBinding(TextCell.DetailProperty, "Description");

            listView.ItemTapped += async (sender, e) =>
            {
                Item item = (Item)e.Item;
                await DisplayAlert("Tapped", item.Title.ToString() + " was selected.", "OK");
                ((ListView)sender).SelectedItem = null;
            };

            Button buttonRemove = new Button
            {
                Text = "Delete Row",
                FontSize = Device.GetNamedSize(NamedSize.Large, typeof(Button)),
                HorizontalOptions = LayoutOptions.Center,
                VerticalOptions = LayoutOptions.Fill
            };

            buttonRemove.Clicked += (sender, e) =>
            {
                items.RemoveAt(0);
            };

            Content = new StackLayout
            {
                Children = { buttonRemove, listView }
            };
        }
    }
}