public void DeleteBook(int id)
{
var book = db.Books.Where(t => t.BookId == id).FirstOrDefault();
db.Entry(book).State = System.Data.Entity.EntityState.Deleted;
db.SaveChanges();
}
public void DeleteStudent(int id)
{
var student = db.Students.Where(t => t.StudentId == id).FirstOrDefault();
db.Entry(student).State = System.Data.Entity.EntityState.Deleted;
db.SaveChanges();
}
public void DeleteLibrary(int id)
{
var library = db.Libraries.FirstOrDefault(t => t.LibraryId == id);
db.Entry(library).State = System.Data.Entity.EntityState.Deleted;
db.SaveChanges();
}
public void DeleteUniversity(int id)
{
using (var db = new LibraryTestContext())
{
var university = db.Universities.Where(t => t.UniversityId == id).FirstOrDefault();
db.Entry(university).State = System.Data.Entity.EntityState.Deleted;
db.SaveChanges();
}
}
