更新Xamarin form SQLite中的所有列表

public class Item
{
    [PrimaryKey, AutoIncrement]
    public int Id { get; set; }
    public string Name { get; set; }
    public string Description { get; set; }
}

public List<Item> GetAllItems()
{
    using (SQLiteConnection conn = new SQLiteConnection(databasePath))
    {
        conn.CreateTable<Item>();
        return conn.Table<Item>().ToList();
    }
}

List<Item> items = GetAllItems();
MyListView.ItemsSource = items;

public void UpdateItem(Item item)
{
    using (SQLiteConnection conn = new SQLiteConnection(databasePath))
    {
        conn.Update(item);
    }
}

List<Item> items = GetAllItems();
MyListView.ItemsSource = items;