public static int ThemLoaiGhe(LoaiGhe loaiGhe)
{
using (var context = new VeTauEntities(false))
{
context.LoaiGhes.Add(loaiGhe);
return context.SaveChanges();
}
}
public static int CapNhatLoaiGhe(LoaiGhe loaiGhe)
{
using (var context = new VeTauEntities(false))
{
var doiTuong = context.LoaiGhes.SingleOrDefault(i => i.Id == loaiGhe.Id);
if (doiTuong != null)
{
doiTuong.Ten = loaiGhe.Ten;
doiTuong.Anh = loaiGhe.Anh;
doiTuong.HeSo = loaiGhe.HeSo;
}
return context.SaveChanges();
}
}
private void btnThem_Click(object sender, EventArgs e)
{
if (KiemTraHopLeVaThongBao())
{
var loaiGhe = new LoaiGhe
{
Ten = tbTenLoaiGhe.Text,
Anh = MyUtil.ImageToByteArray(pbAnh.Image),
HeSo = (numSoLuong.Value / 10f),
Id = (int) tbTenLoaiGhe.Tag
};
if (loaiGhe.Id > 0)
{
if (LoaiGheDal.CapNhatLoaiGhe(loaiGhe) > 0)
{
MessageBox.Show(Resources.CapNhat + Resources.thanhCong, Resources.MThanhCong);
CapNhatGv();
return;
}
MessageBox.Show(Resources.CapNhat + Resources.thatBai, Resources.MThatBai);
}
else
{
if (LoaiGheDal.ThemLoaiGhe(loaiGhe) > 0)
{
MessageBox.Show(Resources.TaoDoiTuong + Resources.thanhCong, Resources.MThanhCong);
CapNhatGv();
}
else
{
MessageBox.Show(Resources.TaoDoiTuong + Resources.thatBai, Resources.MThatBai);
}
}
}
}
