career in asp.net

If you love .NET you can work with it. You should first pick a programming language which is of interest to you (C#, VB, C++). If you love Apple products you can choose iOS.

Maybe you must choose base on your interest.. Both have the good advantages and also open a best path for your career.

Hmm this is a tough one. Are you getting both offers? Both have good future. Think of it as Apple or Banana. Which one you like the most.