private static void Delete()
{
var context = new PlutoContext();
var course = context.Courses.Find(6);
context.Courses.Remove(course);
context.SaveChanges();
}
private static void Update()
{
var context = new PlutoContext();
var course = context.Courses.Find(4);
course.Name = "New Name";
course.AuthorId = 2;
context.SaveChanges();
}
private static void DeleteMany()
{
var context = new PlutoContext();
var author = context.Authors.Include(a => a.Courses).Single(a => a.Id == 2);
context.Courses.RemoveRange(author.Courses);
context.Authors.Remove(author);
context.SaveChanges();
}
private static void AddCourse()
{
var context = new PlutoContext();
var author = context.Authors.Single(a => a.Id == 1);
var course = new Course
{
Name = "New Course 2",
Title = "Some Title 2",
Description = "New Description 2",
FullPrice = 19.95f,
Level = CourseLevel.Beginner,
Author = author
};
context.Courses.Add(course);
context.SaveChanges();
}