SuLei.DAL/sl_sites.cs

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using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Reflection;
using System.Text;
using SuLei.DBUtility;
using SuLei.Common;

namespace SuLei.DAL
{
    /// <summary>
    /// 数据访问类:站点管理
    /// </summary>
    public partial class sl_sites
    {
        private string databaseprefix;//数据库表名前缀
        public sl_sites(string _databaseprefix)
        {
            databaseprefix = _databaseprefix;
        }

        #region 基本方法================================
        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from  " + databaseprefix + "sites");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)};
            parameters[0].Value = id;

            return DbHelperSQL.Exists(strSql.ToString(), parameters);
        }

        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(Model.sl_sites model)
        {
            using (SqlConnection conn = new SqlConnection(DbHelperSQL.connectionString))
            {
                conn.Open();
                using (SqlTransaction trans = conn.BeginTransaction())
                {
                    try
                    {
                        StringBuilder strSql = new StringBuilder();
                        StringBuilder str1 = new StringBuilder();//数据字段
                        StringBuilder str2 = new StringBuilder();//数据参数
                        
                        //利用反射获得属性的所有公共属性
                        PropertyInfo[] pros = model.GetType().GetProperties();
                        List<SqlParameter> paras = new List<SqlParameter>();
                        strSql.Append("insert into " + databaseprefix + "sites(");
                        foreach (PropertyInfo pi in pros)
                        {