protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
date = (string)e.Parameter;
//date = "2015-07-17";
viewModel = new ViewModel(date);
bool flag = await viewModel.LoadData();
if(flag == true)
{
pageRoot.DataContext = viewModel;
}
else
{
MessageDialog dialog = new MessageDialog("无网络连接");
await dialog.ShowAsync();
}
}
