I am building a c# assignment and facing an issue. I have 2 models students and course. I needed a place to show all the student related to a course and ability to add new student. so i created a new View model CourseViewModel

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I am a bit stuck trying to figure out on how to show the value of a field model.SumValue which I am calculating in the controller class in a input field or a label.

This is my code from view

I am getting NullReferenceException in .cshtml at line 2, but this same code is working fine on local. When I deployed it to uat, it is generating this error – how should I approach this error? What methods to debug this?

I am getting NullException at cshtml at line 2 but this same code working on local , when u deployed on uat it generating this error how should i approach this error. what methods to debug this. my cshtml

I have just created a new ASP.NET Web Application C# Template with .NET Framework 4.8.1 and when I execute it for the first time I am getting the error “The MetadataAddress or Authority must use HTTPS unless disabled for development by setting RequireHttpsMetadata=false.”.

I’ve spent the past few weeks reading up on C#, ASP.NET, MVC stuff and everything I find just leads to more questions.
The documentation for this stuff is a scattered mess
and the documentation/articles/tutorials I’ve come across often contradict each other.
I feel like I’m following a never-ending trail of inheritance. The joys of OOP…

I have a table called Complaint_Log and the relevant column names in it are CompanyName and ContactPerson.