当前文件： FactoryMessagesBoard/DALFactory/DataAcess.cs[576B，2009-6-12 11:42:14]，打开代码结构图

		            
 1using System;
 2using System.Collections.Generic;
 3using System.Text;
 4using System.Configuration;
 5using MessagesBoard.IDAL;
 6using System.Reflection;
 7
 8
 9namespace MessagesBoard.DALFactory
10...{
11    public sealed class DataAcess
12    ...{
13        private static readonly string path = System.Configuration.ConfigurationManager.AppSettings["WebDAL"];
14
15        public static IMessageBoard CreateMessages()
16        ...{
17            string classname = path + ".Messages";
18            return (IMessageBoard)Assembly.Load(path).CreateInstance(classname);
19
20        }
21    }
22}
23