BLL/Trademark.cs

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using System;
using System.Collections.Generic;

using System.Data;


using MyShop.DALFactory;
using MyShop.IDAL;
using MyShop.Model;
using MyShop.Enumerations;
using MyShop.Common;

//该源码首发自www.51aspx.com(５１ａｓpx．ｃｏｍ)
//http://www.51aspx.com/CV/MyShopBuild20081005

namespace MyShop.BLL
{
    public class Trademark
    {
        private ITrademark dal = DataAccess.CreateTrademark();

        #region  ITrademark

        public int Add(TrademarkInfo model)
        {
            if (model == null)
            {
                return 0;
            }
            return dal.Add(model);
        }

        public int Delete(string filter)
        {
            if (string.IsNullOrEmpty(filter))
                return 0;
            return dal.Delete(filter);
        }

        public bool Exist(string filter)
        {
            filter = filter.Trim();
            if (string.IsNullOrEmpty(filter))
                return false;
            return dal.Exist(filter);
        }
        public DataSet GetDataSet()
        {
            return dal.GetDataSet();
        }

        public DataSet GetDataSet(string filter)
        {
            filter = filter.Trim();
            if (string.IsNullOrEmpty(filter))
                return null;
            return dal.GetDataSet(filter);
        }

        public TrademarkInfo GetModel(DataRow dr)