private void invent_Click(object sender, RoutedEventArgs e)
{
invent invent = new invent(IdUser);
invent.Show();
this.Close();
}
private void OK_Click(object sender, RoutedEventArgs e)
{
var ok = db.inventory.Where(inv => inv.date == Data && inv.difference == Diff);
ok.FirstOrDefault().verific = 1;
db.inventory.Create();
db.SaveChanges();
invent invent = new invent(IdUser);
invent.Show();
this.Close();
}