public void PutStudent(int id, Student stud)
{
stud.Id = id;
dbCtxt.Students.Attach(stud);
dbCtxt.Entry(stud).State = System.Data.EntityState.Modified;
dbCtxt.SaveChanges();
}
public void PutInstructor(int id, Instructor instr)
{
instr.Id = id;
dbCtxt.Instructors.Attach(instr);
dbCtxt.Entry(instr).State = System.Data.EntityState.Modified;
dbCtxt.SaveChanges();
}
public void PutClass(int id, Class clss)
{
clss.Id = id;
dbCtxt.Classes.Attach(clss);
dbCtxt.Entry(clss).State = System.Data.EntityState.Modified;
dbCtxt.SaveChanges();
}
