public FmThongTinNhapHang(NhapHang nh = null, NhapHangController nhctr = null)
{
InitializeComponent();
if (nhctr == null) NHCtr = new NhapHangController();
else NHCtr = nhctr;
SPCTCtr = new SanPham_ChiTietController(NHCtr._db);
dtgvChiTietNH.AutoGenerateColumns = false;
dtgvChiTietSP.AutoGenerateColumns = false;
if (nh == null)
{
this.nh = new NhapHang(NHCtr._db);
this.Text = "Thêm Mới Đơn Nhập Hàng";
LoadDTGV_ChiTietSP();
dtpkNgay.Value = DateTime.Now;
}
else
{
ViewMode = true;
this.nh = nh;
this.nh._set_context(NHCtr._db);
ThongTinFormNhapHang = this.nh;
btLuu.Enabled = false;
btThem.Enabled = false;
btXoa.Enabled = false;
gbDSSanPham.Enabled = false;
LoadDTGV_ChiTietNH();
}
}
public int add(NhapHang obj)
{
this._db.ds_nhaphang.Add(obj);
//commit
this.save();
//return ma moi nhat
return this._db.ds_nhaphang.Max(x => x.id);
}
public void reload(NhapHang nh)
{
List<ChiTiet_NhapHang> Added = new List<ChiTiet_NhapHang>();
List<ChiTiet_NhapHang> Deleted = _db
.ChangeTracker.Entries<ChiTiet_NhapHang>()
.Where(ctnh => ctnh.Entity.nhaphang == null)
.Select(ct => ct.Entity).ToList<ChiTiet_NhapHang>();
foreach (ChiTiet_NhapHang ctnh in Added) nh.ds_chitiet_nhaphang.Remove(ctnh);
foreach (ChiTiet_NhapHang ctnh in Deleted) _db.Entry<ChiTiet_NhapHang>(ctnh).Reload();
}
public Boolean delete(NhapHang obj)
{
try
{
//get entity
obj = this.get_by_id(obj.id);
//remove relation
foreach (ChiTiet_NhapHang ctnh in obj.ds_chitiet_nhaphang) ctnh.delete();
//remove
this._db.ds_nhaphang.Remove(obj);
//commit
return this.save();
}
catch (Exception ex)
{
Debug.WriteLine(ex.ToString());
return false;
}
}
//method
public void change(NhapHang nh)
{
this.active = nh.active;
this.ngay = nh.ngay;
this.tongtien = nh.tongtien;
}