private static void DeleteWhileTracked()
{
var ninga = _context.Ningas.FirstOrDefault(e => e.Name == "Nego");
_context.Ningas.Remove(ninga);
_context.SaveChanges();
}
private static void DeleteWhileNotTracked()
{
var ninga = _context.Ningas.FirstOrDefault(x => x.Name == "ALIA");
using (var contextNewAppInstance = new NingaContext())
{
contextNewAppInstance.Ningas.Remove(ninga);
contextNewAppInstance.SaveChanges();
}
}
private static void ModifyingRelatedDataWhenNotTracked()
{
var ninga = _context.Ningas.Include(e => e.Quotes).FirstOrDefault();
var quote = ninga.Quotes[0];
quote.Text += "Did you hear that?";
using var newContext = new NingaContext();
// newContext.Quotes.Update(quote);
newContext.Entry(quote).State = EntityState.Modified;
newContext.SaveChanges();
}
private static void QueryAndUpdateBattle_Disconnected()
{
var battle = _context.Battles.FirstOrDefault();
battle.EndDate = new DateTime(1555, 5, 5);
// open new connection
using (var newContextInstance = new NingaContext())
{
newContextInstance.Battles.Update(battle);
newContextInstance.SaveChanges();
}
}
