protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (isNewInstance)
{
if (viewModel == null)
{
if (State.Count > 0)
{
viewModel = (SessionViewModel)State["viewModel"];
}
else
{
viewModel = new SessionViewModel();
viewModel.Load(this.QueryStringInt("sessionid"));
}
DataContext = viewModel;
}
}
isNewInstance = false;
}