Esempi in C# (CSharp) per BooksModel.SaveChangesAsync

Esempio n. 1

File: BooksController.cs Progetto: CNinnovation/WPFWorkshopSep2016

        public async Task <IHttpActionResult> PutBook(int id, Book book)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != book.Id)
            {
                return(BadRequest());
            }

            db.Entry(book).State = EntityState.Modified;

            try
            {
                await db.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!BookExists(id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(StatusCode(HttpStatusCode.NoContent));
        }