DAL/CartTempService.cs

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using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;

namespace DAL
{
	/// <summary>
	/// 数据访问类:CartTempService
	/// </summary>
	public partial class CartTempService
	{
		public CartTempService()
		{}
		#region  BasicMethod
        /// <summary>
        /// 更新金额信息
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        public static int UpdateRemark(Model.CartTemp model) 
        {
            string sql = "update CartTemp set remark = '" + model.remark + "' where id = " + model.id;
            return DBHelperSQL.ExecuteSql(sql);
        }
        /// <summary>
        /// 删除用户条数据
        /// </summary>
        public static bool DeleteByUserIdRightNow(int userId)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from CartTemp ");
            strSql.Append(" where addUser = " + userId);
            int rows = DBHelperSQL.ExecuteSql(strSql.ToString());
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        /// <summary>
        /// 更新一条数据
        /// </summary>
        public static bool UpdateNewPC(int id, int productCount, string remark,int status)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update CartTemp set ");
            strSql.Append("productCount=@productCount,remark = '" + remark + "',status = " + status);
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4),
					new SqlParameter("@productCount", SqlDbType.Int,4)};
            parameters[0].Value = id;
            parameters[1].Value = productCount;

            int rows = DBHelperSQL.ExecuteSql(strSql.ToString(), parameters);