using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using DAL;
using Model.Product;
namespace BLL
{
  public  class TypeBLL
    {
      DataBaseHepler dbhelper = new DataBaseHepler();
      /// <summary>
      /// 添加一个产品类别对象,并且返回当前对象的编号