Table object is not null here i found this error when i insert form data in the Database Student is my model

Question

I Don't Understand Why i Got this Error

Answer 1

There are two classes called Student in you project, one for the ctrl/service layer and one for the db layer. This is quite common.

In your method you need to translate one type into the other type. For example:

var dbStudent = new MVC_CURD.Models.Student(...);

_Db.tbl_Student.Add(dbStudent);