static void Main(string[] args)
{
using (var db = new WpfDemoContext())
{
db.Persons.Add(new Person()
{
Vorname = "Christian",
Nachname = "Giesswein"
});
db.SaveChanges();
}
}
private async void Save()
{
using (var db = new WpfDemoContext())
{
db.Persons.Attach(value);
db.Entry(value).State = EntityState.Modified;
//var person = db.Persons.Find(value.Id);
value.Vorname = Vorname.Value;
value.Nachname = Nachname;
await db.SaveChangesAsync();
}
}
private async void LoadData()
{
var result = await Task.Run(() =>
{
using (var db = new WpfDemoContext())
{
return(db.Persons.AsNoTracking().ToList());
}
});
Persons = new ObservableCollection <Person>(result);
//Persons.Clear();
//foreach(var item in result)
// Persons.Add(item);
//Persons.ReplaceItems(result);
}
