Bll/BProductPicAdmin.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Model;
using Dal;
using System.Data;

namespace Bll
{
    public class BProductPicAdmin
    {
        DProductPicAdmin idp = new DProductPicAdmin();
        /// <summary>
        /// 增加一条记录
        /// </summary>
        /// <param name="mpt"></param>
        /// <returns></returns>
        public string Add(MProductPicAdmin mpt)
        {
            mpt.PP_Id = idp.GetMaxId() + 1;
            mpt.PP_Order = idp.GetMaxOrder() + 1;
            if (mpt.PP_Pic == string.Empty)
            {
                return "产品名称不能为空！";
            }
            idp.Add(mpt);
            return string.Empty;
        }

        public MProductPicAdmin PreNext(string P_Id, string sid, string which)
        {
            return idp.PreNext(P_Id, sid, which);
        }

        public DataTable GetList(int PageSize, int PageIndex, string andsql, out int rCount)
        {
            return idp.GetList(PageIndex, PageSize, andsql, out rCount);
        }
        public DataTable GetList(int PageSize, int PageIndex, string PS_Address, string Keywords, out int rCount)
        {
            return idp.GetList(PageIndex, PageSize, PS_Address, Keywords, out rCount);
        }
        public MProductPicAdmin GetModel(int P_Id)
        {
            return idp.GetModel(P_Id);
        }
        /// <summary>
        /// 查询数据
        /// </summary>
        public List<MProductPicAdmin> GetListValues(string value)
        {
            return idp.GetListValues(value);
        }
        /// <summary>
        /// 返回数据列表
        /// </summary>
        /// <returns></returns>
        public DataTable GetList()
        {