/// <summary>
/// Invoked when this page is about to be displayed in a Frame.
/// </summary>
/// <param name="e">Event data that describes how this page was reached.
/// This parameter is typically used to configure the page.</param>
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
var id = e.Parameter as DateTime?;
var data = await DataSources.GetIllnessAsync(id.GetValueOrDefault());
name.Text = data.Name;
decription.Text = data.Description;
date.Text = data.Date.Date.ToString();
}