public void updateSubject(string id, subject sub)
{
subject dbsub = database.subjects.First(data => data.idsubjects == id);
dbsub = sub;
database.SaveChanges();
}
public void deleteSubject(string id)
{
subject sub = database.subjects.First(data => data.idsubjects == id);
database.subjects.Remove(sub);
}
public subject getSubject(string id)
{
subject sub = database.subjects.First(data => data.idsubjects == id);
return(sub);
}
public void insertSubject(ref subject sub)
{
database.subjects.Add(sub);
database.SaveChanges();
}