private void button3_Click(object sender, EventArgs e)
{
try {
Hang sanpham = (from sp in data.Hangs
where sp.MaHang == txtMaHang.Text.Trim()
select sp).Single <Hang>();
data.Hangs.DeleteOnSubmit(sanpham);
data.SubmitChanges();
LoadHang();
MessageBox.Show("Xoá thành công !");
}
catch
{
MessageBox.Show("Xóa thất bại");
LoadHang();
}
}
private void button1_Click(object sender, EventArgs e)
{
try {
Hang sp = new Hang();
sp.MaHang = txtMaHang.Text;
sp.TenHang = txtTenHang.Text;
sp.DonViTinh = txtDonViTinh.Text;
sp.DonGiaHang = Int32.Parse(txtDonGia.Text);
sp.MoTa = txtMoTa.Text;
sp.NhaCungCap = txtNhaCungCap.Text;
data.Hangs.InsertOnSubmit(sp);
data.SubmitChanges();
LoadHang();
}
catch
{
MessageBox.Show("Thêm thất bại");
LoadHang();
}
}
private void button2_Click(object sender, EventArgs e)
{
try {
Hang sanpham = (from sp in data.Hangs
where sp.MaHang == txtMaHang.Text.Trim()
select sp).Single <Hang>();
sanpham.TenHang = txtTenHang.Text;
sanpham.DonViTinh = txtDonViTinh.Text;
sanpham.DonGiaHang = Int32.Parse(txtDonGia.Text);
sanpham.MoTa = txtMoTa.Text;
sanpham.NhaCungCap = txtNhaCungCap.Text;
data.SubmitChanges();
LoadHang();
MessageBox.Show("Cập nhật thành công");
}
catch
{
MessageBox.Show("Cập nhật thất bại");
LoadHang();
}
}
partial void DeleteHang(Hang instance);
partial void UpdateHang(Hang instance);
partial void InsertHang(Hang instance);
