Ryan, a Windows Store app developer, needs to create a recipe app for desserts. The app is expected to display the images of the various desserts whose recipes are available, as shown in the following figure.

Ryan, a Windows Store app developer, needs to create a recipe app for desserts. The app is
expected to display the images of the various desserts whose recipes are available, as shown in
the following figure.

The Various Dessert Recipes
Whenever a user clicks on the image of a dessert, the page containing the recipe for the same is
displayed, as shown in the following figure.
The Page Containing the Recipe
In addition, every recipe page allows the user to go back to the main page of the app.
To enhance the appearance of the app, Ryan has applied styles to the previous buttons in the
app. In addition, to make the app more appealing, he wants to add animation to the pages of the
app. However, after applying the animation, when he tries to deploy the app, an exception is
thrown.

Help Ryan identify the reason of exception and provide a solution for the same.

Solution

DOWNLOAD from here:

Account Gmail

https://drive.google.com/file/d/0BzDgK7VFVLaKb0ZJN2NSR1YyUzg/edit?usp=sharing

This is Not Account

https://drive.google.com/file/d/0BzDgK7VFVLaKLWRpZWJaV3p3Um8/edit?usp=sharing