public void UpdateDirector(Director director)
{
using (WatchDb db = new WatchDb())
{
//kanonikos tropos
db.Directors.Attach(director); //kane mou attach ton actor sto db set
db.Entry(director).State = EntityState.Modified; //dld allakse tou to entity framework state. edw to entity ksekinaei na parakolouthei th metavlhth kai tou lew ti allagh egine
db.SaveChanges();
}
}
public void UpdateMovie(Movie movie, List <int> actorIds)
{
using (WatchDb db = new WatchDb())
{
db.Movies.Attach(movie);
db.Entry(movie).Collection("Actors").Load();
movie.Actors.Clear();
db.SaveChanges();
foreach (int id in actorIds)
{
Actor actor = db.Actors.Find(id);
if (actor != null)
{
movie.Actors.Add(actor);
}
}
db.Entry(movie).State = EntityState.Modified;
db.SaveChanges();
}
}
public void UpdateActor(Actor actor)
{
using (WatchDb db = new WatchDb())
{
#region First way example, not used
////aploikos tropos skepshs kai mh fysiologikos/apodotikos
//Actor db_actor = db.Actors.Find(actor.Id); // vres mou apo th vash ton actor me to id pou psaxnw (to entity framework to kanei track afou proilthe apo th vash
//db_actor.Name = actor.Name; // update first property
//db_actor.Age = actor.Age; // update second property
//db.SaveChanges();
#endregion
//kanonikos tropos
db.Actors.Attach(actor); //kane mou attach ton actor sto db set
db.Entry(actor).State = EntityState.Modified; //dld allakse tou to entity framework state. edw to entity ksekinaei na parakolouthei th metavlhth kai tou lew ti allagh egine
db.SaveChanges();
}
}
