c# - Usercontrol is not working -

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i'm create popup in wp8 usercontrol call popup on button click below code

private void button_click(object sender, routedeventargs e) {         mypopup.verticaloffset = 100;           if (mypopup.isopen != true)         {             mypopup.child = mycontrol;             mypopup.isopen = true;         }         else         {             mypopup.isopen = false;         }          mycontrol.settings.click += (s, args) =>             {                 mycontrol.settings.navigateuri = new uri("/selectjoketype.xaml", urikind.relativeorabsolute);             };        }

but navigateuri not working it's not go selectjoketype.xaml page

what navigationservice.navigate? additional information here


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