Discuz.Install/upgrade.aspx.cs

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using System;
using System.Data;
using System.Data.SqlClient;
using System.IO;
using System.Text;
using System.Web.UI.WebControls;
using System.Xml;
using Discuz.Common;
using Discuz.Config;
using Discuz.Data;
using Discuz.Forum;

namespace Discuz.Install
{
    public class Upgrade : System.Web.UI.Page
    {
        public BaseConfigInfo baseconfig = BaseConfigs.GetBaseConfig();
        protected RadioButtonList rblBBSVersion;

        protected void Page_Load(object sender, EventArgs e)
        {
            DbHelper.ResetDbProvider();

            if (DNTRequest.GetString("connection") == "check")
                CheckConnection();

            if (DNTRequest.GetString("upgrade") == "true")
            {
                UpgradeProcess();
                UpgradeConfig();
                MoveCommonUpgradeIniConfig();
                Response.Write("{\"Result\":true,\"Message\":\"\"}");
                Response.End();
            }
        }

        /// <summary>
        /// 检测数据库链接
        /// </summary>
        private void CheckConnection()
        {
            try
            {
                DbHelper.ExecuteNonQuery("SELECT 1");
                Response.Write("{\"Result\":true,\"Message\":\"\"}");
            }
            catch (SqlException)
            {
                Response.Write("{\"Result\":false,\"Message\":\"在与 SQL Server 建立连接时出现与网络相关的或特定于实例的错误,请检查dnt.config中的连接字符串是否正确\"}");
            }
            Response.End();
        }

        /// <summary>
        /// 升级表和存储过程的方法
        /// </summary>
        private void UpgradeProcess()
        {
            //当数据库不是Sql Server不允许升级
            if (baseconfig.Dbtype != "SqlServer")