private static void DeleteNinja()
{
var keyVal = 3;
Ninja ninja = null;
using (var context = new NinjaContext())
{
context.Database.Log = Console.WriteLine;
ninja = context.Ningas.Find(keyVal);
}
using (var context = new NinjaContext())
{
context.Database.Log = Console.WriteLine;
//instead those two lines use state change
//context.Ningas.Attach(ninja);
//context.Ningas.Remove(ninja);
context.Entry(ninja).State = EntityState.Deleted;
context.SaveChanges();
}
}
private static void QueryAndUpdateDisconnected()
{
Ninja ninja = null;
using (var context = new NinjaContext())
{
context.Database.Log = Console.WriteLine;
ninja = context.Ningas.FirstOrDefault();
}
ninja.ServedInOniwaban = !ninja.ServedInOniwaban;
using (var context = new NinjaContext())
{
context.Database.Log = Console.WriteLine;
context.Ningas.Attach(ninja);
context.Entry(ninja).State = EntityState.Modified;
context.SaveChanges();
}
}
