void OnSuggestionTapped(object sender, ItemTappedEventArgs e)
{
Searching.Focus();
var item = e.Item as string;
string[] words = Searching.Text.Split(' ');
Searching.Text = "";
for (int i = 0; i < words.Length - 1; i++)
{
Searching.Text += words[i] + ' ';
}
Searching.Text += item;
Suggestions.ItemsSource = null;
}
protected override void OnAppearing()
{
base.OnAppearing();
Searching.Focus();
}