public void Register()
{
NguoiDungDAL registerUser = new NguoiDungDAL();
registerUser._nguoiDung = this._nguoiDung;
registerUser.Insert();
this._nguoiDung.IdNguoiDung = registerUser._nguoiDung.IdNguoiDung;
}
public int Insert(NguoiDung obj)
{
return(dal.Insert(obj));
}