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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