/// <summary>
        /// 得到所有类别下拉列表
        /// </summary>
        /// <returns></returns>
        public DataTable ProductTypeDDlist()
        {
            bll.Attributebll attrbll = new bll.Attributebll();
            DataTable        dt1     = new DataTable();

            dt1 = attrbll.GetTypeDDlist();
            return(dt1);
        }
        /// <summary>
        /// 品牌下拉列表
        /// </summary>
        /// <returns></returns>
        public DataTable ProductStyleDDlist(string Courstomer)
        {
            bll.Attributebll attrbll = new bll.Attributebll();
            DataTable        dt1     = new DataTable();

            dt1 = attrbll.GetCatDDlist(Courstomer);
            return(dt1);
        }
        /// <summary>
        /// 显示数据源列表
        /// </summary>
        /// <returns></returns>
        public string GetVencodeDDlist()
        {
            string    s   = string.Empty;
            DataTable dt1 = new DataTable();

            bll.Attributebll attrbll = new bll.Attributebll();
            dt1 = DbHelperSQL.Query(@"select * from productsource").Tables[0];
            s  += "<option value=''>请选择</option>";
            for (int i = 0; i < dt1.Rows.Count; i++)
            {
                s += "<option value='" + dt1.Rows[i]["SourceCode"].ToString() + "'>" + dt1.Rows[i]["sourceName"].ToString() + "</option>";
            }
            return(s);
        }
        /// <summary>
        /// 类别下拉列表
        /// </summary>
        /// <returns></returns>
        public string ProductTypeDDlist()
        {
            string    s   = string.Empty;
            DataTable dt1 = new DataTable();

            bll.Attributebll attrbll = new bll.Attributebll();
            dt1 = attrbll.GetTypeDDlist(userInfo.User.Id.ToString());

            s += "<option value=''>请选择</option>";
            for (int i = 0; i < dt1.Rows.Count; i++)
            {
                s += "<option value='" + dt1.Rows[i][1].ToString() + "'>" + dt1.Rows[i][0].ToString() + "</option>";
            }
            return(s);
        }
        /// <summary>
        /// 品牌下拉列表
        /// </summary>
        /// <returns></returns>
        public string GetBrandDDlist(int UserId)
        {
            string s = string.Empty;

            bll.Attributebll attrbll = new bll.Attributebll();
            DataTable        dt1     = new DataTable();

            dt1 = attrbll.GetCatDDlist(UserId.ToString());
            s  += "<option value=''>请选择</option>";
            for (int i = 0; i < dt1.Rows.Count; i++)
            {
                s += "<option value='" + dt1.Rows[i][1].ToString() + "'>" + dt1.Rows[i][0].ToString() + "</option>";
            }
            return(s);
        }
        /// <summary>
        /// 获取商品类别并构造下拉列表
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public string GetDDlist(string TypeNo)
        {
            string    s  = string.Empty;
            DataTable dt = new DataTable();

            bll.Attributebll attrbll = new bll.Attributebll();
            dt = attrbll.GetTypeDDlist(userInfo.User.Id.ToString());
            s += "<select id='ddlType' style='width:150px' onchange='ddl(this[selectedIndex].value)' >";

            for (int i = 0; i < dt.Rows.Count; i++)
            {
                if (dt.Rows[i][1].ToString() == TypeNo)
                {
                    s += "<option value='" + dt.Rows[i][1].ToString() + "' selected='selected' >" + dt.Rows[i][0].ToString() + "</option>";
                }
                else
                {
                    s += "<option value='" + dt.Rows[i][1].ToString() + "'>" + dt.Rows[i][0].ToString() + "</option>";
                }
            }
            s += "</select>";
            return(s);
        }