protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
CarCreateOrEditViewModel viewModel = new CarCreateOrEditViewModel(0);
this.DataContext = viewModel;
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (NavigationContext.QueryString.ContainsKey("id"))
{
string idQueryString = NavigationContext.QueryString["id"];
int id = 0;
if (!Int32.TryParse(idQueryString, out id))
{
throw new ArgumentException("id is not valid value!");
}
CarCreateOrEditViewModel viewModel = new CarCreateOrEditViewModel(id);
this.DataContext = viewModel;
}
else
{
throw new ArgumentNullException("id must be provided to a EditView");
}
}