public Detailques() { InitializeComponent(); //get selected news from App Class var app = App.Current as App; q1 = app.selectedQues; // List1.ItemsSource = q1; // show news details in page InstTextBlock.Text = q1.Instruction; QueTextBlock.Text = q1.Quetext; HintTextBlock.Text = q1.Hint; SolTextBlock.Text = q1.Solution; }