WELOA.DAL/Wage/gz_wageDAO.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.SqlClient;
using LSDAL_SQL;
using WELOA.Model;
using System.Data;
using System.Configuration;

namespace GZDAL_SQL
{
    public class gz_wageDAO
    {
        
        private ls_departmentDAO departmentDAO = new ls_departmentDAO();
        private DateSetInformation dsinfo = new DateSetInformation();
        private ls_exception exlog = new ls_exception();
        private gz_projectB_DAO projectB_DAO = new gz_projectB_DAO();
        private gz_projectDAO projectDAO = new gz_projectDAO();
        private Polytechnic trinfo = new Polytechnic();

        
        public Polytechnic delData(string strTable, int nDate)
        {
            this.trinfo.nException = -1;
            this.trinfo.rowsnum = -1;
            using (SqlConnection connection = new SqlConnection(ConfigurationManager.ConnectionStrings["lsstring"].ConnectionString))
            {
                SqlCommand command = connection.CreateCommand();
                command.CommandType = CommandType.Text;
                command.CommandText = "DELETE " + strTable + "  where [日期]<=@nDate ";
                command.Parameters.AddWithValue("@nDate", nDate);
                try
                {
                    if (connection.State == ConnectionState.Closed)
                    {
                        connection.Open();
                    }
                    this.trinfo.rowsnum = command.ExecuteNonQuery();
                }
                catch (Exception exception)
                {
                    this.exlog.insexception("gz_wageDAO.cs delData", exception.Message);
                    this.trinfo.nException = 1;
                    return this.trinfo;
                }
            }
            return this.trinfo;
        }

        public Polytechnic delData(int nIdStar, int nIdEnd, string strStaff, string strDepartment, int nDateStar, int nDateEnd, string strTableName)
        {
            this.trinfo.nException = -1;
            this.trinfo.rowsnum = -1;
            string str = "";
            if (strDepartment == "所有")
            {
                str = string.Concat(new object[] { "((([证件号]='", strStaff, "') OR ([姓名] LIKE '%", strStaff, "%')) AND [日期]>='", nDateStar, "' AND [日期]<='", nDateEnd, "')" });
            }