1using System;
 2using System.Data;
 3using System.Configuration;
 4using System.Web;
 5using System.Web.Security;
 6using System.Web.UI;
 7using System.Web.UI.WebControls;
 8using System.Web.UI.WebControls.WebParts;
 9using System.Web.UI.HtmlControls;
10
11/**//// <summary>
12/// Singleton 的摘要说明
13/// </summary>
14public class Singleton<T> where T : new()
15...{
16    public static T Instance
17    ...{
18        get ...{ return SingletonCreator.instance; }
19    }
20
21    class SingletonCreator
22    ...{
23        internal static readonly T instance = new T();
24    }
25}
26