WELOA.BLL/Equipment/SB_Lendandreturn.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using WELOA.Model;
using System.Data;
using LSBLL;
using LSDAL_SQL;
using SBDAL_SQL;

namespace SBBLL
{
    public class SB_Lendandreturn
    {
        
        private LS_IsPage Allowpages = new LS_IsPage();
        private DateSetInformation dsinfo = new DateSetInformation();
        private ls_exception exlog = new ls_exception();
        private ls_publicclass publicclassDAO = new ls_publicclass();
        private sb_lendDAO sb_lendDAO = new sb_lendDAO();
        private sb_returnDAO sb_returnDAO = new sb_returnDAO();
        private SB_Storage sb_storageBLL = new SB_Storage();
        private sb_systemDAO sb_systemDAO = new sb_systemDAO();
        private sb_storageDAO storageDAO = new sb_storageDAO();
        private sb_testingDAO testingDAO = new sb_testingDAO();
        private Polytechnic trinfo = new Polytechnic();

        
        public Polytechnic clearPreLend()
        {
            this.dsinfo = this.sb_systemDAO.select_sb_System();
            if (this.dsinfo.nException > 0)
            {
                this.trinfo.nException = 1;
                return this.trinfo;
            }
            if (this.dsinfo.ds.Tables[0].Rows.Count > 0)
            {
                int nDays = 0;
                if (this.dsinfo.ds.Tables[0].Rows[0]["predate"].ToString() != "")
                {
                    try
                    {
                        nDays = Convert.ToInt32(this.dsinfo.ds.Tables[0].Rows[0]["predate"].ToString());
                    }
                    catch
                    {
                    }
                }
                try
                {
                    if (Convert.ToDateTime(this.dsinfo.ds.Tables[0].Rows[0]["uppredate"].ToString()).ToString("yyyy-MM-dd") != DateTime.Now.ToString("yyyy-MM-dd"))
                    {
                        this.dsinfo = null;
                        this.dsinfo = this.sb_lendDAO.select_Lend_PreLend("预借", nDays);
                        if (this.dsinfo.nException > 0)
                        {
                            this.trinfo.nException = 1;
                            return this.trinfo;
                        }