public ActionResult CreateBook(BookModel bookModel) { int id = this.materialService.CreateBookMaterial(new BookMaterial { Name = bookModel.Name, Format = bookModel.Format, Page = bookModel.Page, Issued = bookModel.Issued }); int courseId = Int32.Parse(HttpContext.Request.Cookies["courseId"].Value); courseService.AddMaterialToCourse(courseId, id); return(RedirectToAction("Course", "Course", courseId.ToString())); return(View()); }