Before posting this question I have gone through multiple posts that are similar. My question focuses on “why is it happening despite applying the common and possibly right solution?”.
I have been reading a lot of articles explaining how to set up Entity Framework’s DbContext so that only one is created and used per HTTP web request using various DI frameworks.
[HttpPost] public ActionResult Edit(Movie movie) { if (ModelState.IsValid) { db.Entry(movie).State = EntityState.Modified; db.SaveChanges(); return RedirectToAction("Index"); } return View(movie); } This action receives a movie model and updates it in the database. But I can’t figure out how. The movie object isn’t attached to the db, so how does entity framework know which row in the … Read more
I am having this issue updating my database 1 column at a time in asp.net using web api. I am trying to query a PUT to just update one value in the row instead of updating that one and setting the rest to null. I made a separate model outside of the controller to take in the update so I could do one at a time. When I hit this line db.Entry(user).State = EntityState.Modified; in the controller that is where it is erroring out. Any advice how I can fix this?
Can somebody explain
Please forgive me this probably stupid question, I am still not too familiar with the ASP.NET architecture in general.