c# - How to navigate between pages in windows phone 8.1RT -

i new programmer windows phone , tried creating multi-paged apps. trying move between main page blank page. use following code:

private void submit_click(object sender, routedeventargs e)     {         this.frame.navigate(typeof(blankpage1));     } 

the app crashes , following error: program has exited code -1073741189 looked online using dispatcher doesn't either. i'm clueless. how can fix this?

my problem exception raised @ different point in compilation of new page , whole program crashed. if have error debug line line until find exception. code long took me day or 2 debugging solution.