private void Button_Click(object sender, RoutedEventArgs e)
{
var them = new hanghoa();
them.tenhh = tbten.Text.ToString();
them.mahh = tbma.Text.ToString();
them.slton = Int32.Parse(tbslton.Text);
them.gia = float.Parse(tbgia.Text);
using (var db = new QLKEntities())
{
db.hanghoas.Add(them);
db.SaveChanges();
}
this.Close();
}
private void Click_Xoa(object sender, RoutedEventArgs e)
{
if (lvdsHangHoa.SelectedItem != null)
{
var a = new hanghoa();
a = (hanghoa)lvdsHangHoa.SelectedItem;
using (var db = new QLKEntities())
{
var delete = (from d in db.hanghoas where d.mahh == a.mahh select d).Single();
db.hanghoas.Remove(delete);
db.SaveChanges();
}
QLKEntities t = new QLKEntities();
lvdsHangHoa.ItemsSource = t.hanghoas.ToList();
MessageBox.Show("Đã xóa.");
}
}
private void Button_Click(object sender, RoutedEventArgs e)
{
var sua = new hanghoa();
sua.tenhh = tbten.Text.ToString();
sua.mahh = tbma.Text.ToString();
sua.slton = Int32.Parse(tbslton.Text);
sua.gia = float.Parse(tbgia.Text);
using (var db = new QLKEntities())
{
var update = (from u in db.hanghoas where u.mahh == sua.mahh select u).Single();
update.tenhh = sua.tenhh;
update.slton = sua.slton;
update.gia = sua.gia;
db.SaveChanges();
}
this.Close();
}
private void LoadDuLieu()
{
QLKEntities db = new QLKEntities();
lvdsHangHoa.ItemsSource = db.hanghoas.ToList();
}
