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    private void SetPageNoCache()
        {
            Response.Buffer = true;
            Response.ExpiresAbsolute = System.DateTime.Now.AddSeconds(-1);
            Response.Expires = 0;
            Response.CacheControl = "no-cache";
            Response.AddHeader("Pragma", "No-Cache");
        }
    (1)   Response.Buffer = true;
            Response.ExpiresAbsolute = System.DateTime.Now.AddSeconds(-1);
            Response.Expires = 0;
            Response.CacheControl = "no-cache";
            Response.AddHeader("Pragma", "No-Cache");
    (2) HTML·½·¨
        <meta http-equiv="Pragma" content="no-cache">
<meta http-equiv="Cache-Control" content="no-cache">
<meta http-equiv="Expires" content="0">
    (3) ÖØÐµ÷ÓÃÔ­Ò³ÃæµÄʱºòÔÚ¸øÒ³Ãæ´«Ò»¸ö²ÎÊý:    href="****.aspx?random()"


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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Ref_and_Out_test
{
    class Program
    {
        static void Main(string[] args)
      & ......

C# ʹÓÃPlaySoundÔÚÒÆ¶¯É豸Éϲ¥·ÅÉùÒô

ʹÓà PlaySound ÔÚÒÆ¶¯É豸Éϲ¥·ÅÉùÒôÎļþ¡£´Ë´úÂëʹÓà System.Runtime.InteropServices
µ÷Óà Compact Framework µÄ CoreDll.DLL µÄ PlaySound ·½·¨
¹ØÓÚ²¥·ÅʵÏÖ£º
        //²¥·Å±êÖ¾
        private enum Flags
        {
 &n ......

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1.×ÜÊÇÓÃÊôÐÔ (Property) À´´úÌæ¿É·ÃÎʵÄÊý¾Ý³ÉÔ±
2.ÔÚ  readonly ºÍ const Ö®¼ä£¬ÓÅÏÈʹÓà readonly
3.ÔÚ as ºÍ Ç¿ÖÆÀàÐÍת»»Ö®¼ä£¬ÓÅÏÈʹÓà as ²Ù×÷·û
4.ʹÓÃÌõ¼þÊôÐÔ (Conditional Attributes) À´´úÌæÌõ¼þ±àÒëÓï¾ä #if
5.×ÜÊÇΪ×Ô¶¨Ò ......

c#ʵÏÖÏÂÔØ´úÂëÊÕ¼¯

//TransmitFileʵÏÖÏÂÔØ
    protected void Button1_Click(object sender, EventArgs e)
    {
        /*
        Î¢ÈíΪResponse¶ÔÏóÌṩÁËÒ»¸öÐµķ½·¨TransmitFileÀ´½â¾öʹÓÃRespo ......

C# תÒåÐòÁÐ Unicode ×Ö·û±àÂë

תÒåÐòÁР       ×Ö·ûÃû³Æ        Unicode ±àÂë
\'        µ¥ÒýºÅ        0x0027
\"        Ë«Òýº ......
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