private void ToActivityClick(object sender, TappedRoutedEventArgs e)
{
Grid grid = sender as Grid;
iActivity.Model.Activity a = grid.DataContext as iActivity.Model.Activity;
iActivity.Units.NavigationHelper.Navigation(typeof(View.Activity), a);
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
iActivity.Model.Activity a = (iActivity.Model.Activity)e.Parameter;
activityViewModel = new ActivityViewModel(1);
this.DataContext = activityViewModel;
Windows.Phone.UI.Input.HardwareButtons.BackPressed += HardwareButtons_BackPressed;
}
