Issue in Xamarin and web Api

Hi everyone I need your help!! Actually, I am developing an xamarin native (iOS) app and I am using a core web API to access the database. I prepared the web api and it working fine it is giving me json answers but when I try to deserialize the json and I call the count function it is giving me for exp 2 but when I am trying to show it is giving me empty answer. I joined a screenshot of the code and the result in the application outputenter image description here