YKT_DAL/DALProduct.cs

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using System;
using System.Collections.Generic;

using System.Text;
using System.Data;
using System.Data.SqlClient;
using YKT.DBUtility;
using YKT_Model;

namespace YKT_DAL
{
    public class DALProduct
    {
        #region  成员方法

        /// <summary>
        /// 得到最大ID
        /// </summary>
        public int GetMaxId()
        {
            return DbHelperSQL.GetMaxID("ID", "YKT_Product");
        }

        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int ID)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from YKT_Product");
            strSql.Append(" where ID=@ID ");
            SqlParameter[] parameters = {
					new SqlParameter("@ID", SqlDbType.Int,4)};
            parameters[0].Value = ID;

            return DbHelperSQL.Exists(strSql.ToString(), parameters);
        }


        /// <summary>
        /// 增加一条数据
        /// </summary>
        public void Add(ModelProduct model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into YKT_Product(");
            strSql.Append("ID,ChannelID,ClassID,ProductName,ProductKeysWords,ProductCode,ProductBrand,ProductUnit,ProductWeight,ProductMarketPrice,ProductMemberPrice,ProductMinPrice,ProductBigPic,ProductSmallPic,ProductMorePic,ProductCount,ProductFieldType,ProductFields,ProductSingleFields,ProductSizeTable,IsPassed,IsOnSale,IsRecommond,IsOnHot,IsNew,IsSpecialOffer,Package,ShortContent,Content,ProductRelated,Hits,AddDateTime,UpDateTime,XjIDs)");
            strSql.Append(" values (");
            strSql.Append("@ID,@ChannelID,@ClassID,@ProductName,@ProductKeysWords,@ProductCode,@ProductBrand,@ProductUnit,@ProductWeight,@ProductMarketPrice,@ProductMemberPrice,@ProductMinPrice,@ProductBigPic,@ProductSmallPic,@ProductMorePic,@ProductCount,@ProductFieldType,@ProductFields,@ProductSingleFields,@ProductSizeTable,@IsPassed,@IsOnSale,@IsRecommond,@IsOnHot,@IsNew,@IsSpecialOffer,@Package,@ShortContent,@Content,@ProductRelated,@Hits,@AddDateTime,@UpDateTime,@XjIDs)");
            SqlParameter[] parameters = {
					new SqlParameter("@ID", SqlDbType.Int,4),
					new SqlParameter("@ChannelID", SqlDbType.Int,4),
					new SqlParameter("@ClassID", SqlDbType.Int,4),
					new SqlParameter("@ProductName", SqlDbType.NVarChar,50),
					new SqlParameter("@ProductKeysWords", SqlDbType.NVarChar),
					new SqlParameter("@ProductCode", SqlDbType.NVarChar,50),
					new SqlParameter("@ProductBrand", SqlDbType.NVarChar,50),
					new SqlParameter("@ProductUnit", SqlDbType.NVarChar,50),
					new SqlParameter("@ProductWeight", SqlDbType.NVarChar,50),
					new SqlParameter("@ProductMarketPrice", SqlDbType.NVarChar,50),