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ASP.NET Ò³ÃæÊ¼þÖ´ÐÐ˳Ðò ÊÕ²Ø
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ÏÂÃæÊÇASP.NETÒ³Ãæ³õʼµÄ¹ý³Ì:
1. Page_Init();
2. Load ViewState;
3. Load Postback data;
4. Page_Load();
5. Handle control events;
6. Page_PreRender();
7. Page_Render();
8. Unload event;
9. Dispose method called;
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1. Page_Init();
Õâ¸ö¹ý³ÌÖ÷ÒªÊdzõʼ»¯¿Ø¼þ,ÿ´ÎÒ³ÃæÔØÈëÖ´ÐÐÕâ¸ö³õʼ¹ý³Ì,°üÀ¨µÚÒ»´ÎºÍÒÔºóµÄPostback(ÕâÀï˵ÏÂPostback,Æäʵ¾Í¿ÉÒÔ¼òµ¥Àí½â³ÉÓû§µã»÷SUBMIT°´Å¥Ö®ÀàµÄ,°Ñ±íµ¥<Form>Ìá½»¸ø·þÎñÆ÷,Õâ¾ÍÊÇÒ»´Îpostback),ÔÚÕâÀïÃæ¿ÉÒÔ·ÃÎʿؼþ,µ«ÊÇÕâÀïÃæµÄ¿Ø¼þÖµ²»ÊÇÎÒÃÇÆÚ´ýµÄ¿Ø¼þÀïÃæµÄÖµ,ËûÖ»ÊÇÒ»¸ö¿Ø¼þµÄ³õʼֵ(ĬÈÏÖµ),¾ÙÀý: ±ÈÈçÒ»¸öTextBox1,ÎÒÃÇÌîÈëÁË"¹þ¹þ",ÔÚµã»÷SUBMITÌá½»ÁËÒ³Ãæºó,ÔÚPage_Init()ÀïÃæ,ÎÒÃÇ·ÃÎʵ½µÄTextBox1.Text²»ÊÇÎÒÃǵÄ"¹þ¹þ",¶øÊÇ¿ªÊ¼µÄ""¿Õ×Ö·û´®,Èç¹ûTextBox1ÔÚÎÒÃÇÉè¼ÆµÄʱºòÌṩÁËĬÈÏÖµ£¬ÕâÀï·ÃÎʵ½µÄÒ²¾ÍÊÇÌṩµÄĬÈÏÖµ,ÎªÊ²Ã´ÄØ,Õâ¾ÍÒª¿´ÏÂÒ»¸ö¹ý³ÌÁË.
¶ÔÓ¦µÄʼþPage.Init
2. Load ViewState
Õâ¸ö¹ý³ÌÊÇÔØÈëVIEWSTATEºÍPostbackÊý¾Ý£¬±ÈÈçÎÒÃÇÉÏÃæµÄTextBox1,Õâʱ¾Í¸³ÁË"¹þ¹þ",ËùÒÔ,ÔÚPost_Init()¶Ô¿Ø¼þ¸³ÖµÊÇÎÞÒâÒåµÄ,Ëü¶¼»áÔÚÕâ¸ö¹ý³ÌÀï±»¸Äд,µ±È»µÚÒ»´ÎÒ³ÃæÔØÈëÀýÍ⣬ÒòΪûÓÐVIEWSTATEÊý¾Ý¡£
ûÓжÔÓ¦µÄʼþ
3.Load Postback data;
ÉÏÃæËµÁË,Postback¿ÉÒÔÀí½â³ÉÓû§Ìá½»±íµ¥Êý¾Ý,ËùÒÔÕâÀï¾ÍÊÇ´¦Àí±íµ¥Êý¾Ý,µ±È»ÕâÀïÒªÉè¼Æµ½¿Ø¼þµÄÉè¼Æ,Ò»°ãÇé¿ö²»»áÒªÎÒÃÇ×Ô¼º´¦ÀíÕâ¸ö¹ý³Ì,ÎÒÃÇÔÝÇÒÂÔ¹ý. (ÔÚÒÔǰÄÇÆª¹ØÓÚASP.NETÒ³ÃæÉúÃüÖÜÆÚµÄ¼òµ¥ÃèÊöÖÐ,°ÑÕâ¸ö¹ý³ÌºÍLoad ViewState·ÅÔÚÁËÒ»Æð,ÆäʵÄÇÊÇ΢ÈíÌṩµÄÉúÃüÖÜÆÚ¹ý³Ì,ÕâÀïµ¥¶ÀÌá³öÀ´ÊÇΪÁËÈôó¼ÒÃ÷°×ÕâÊÇÒ»¸öµ¥¶ÀµÄ¹ý³Ì)
ûÓжÔÓ¦µÄʼþ
4. Page_Load();
Õâ¸ö¹ý³ÌÒ²ÊÇÿ´ÎÒ³ÃæÔØÈëʱһ¶¨»áÖ´Ðе쬵«ÊÇ×¢ÒâºÍPage_InitµÄÇø±ð£¬ÉÏÃæÒѾ­Éæ¼°ÁË,ÕâÀï×¢ÒâµÄÊÇÒ»°ã¶¼»áÓõ½Page.IsPostBack,¸Ãֵָʾ¸ÃÒ³ÊÇ·ñÕýΪÏìÓ¦¿Í»§¶Ë»Ø·¢¶ø¼ÓÔØ£¬»òÕßËüÊÇ·ñÕý±»Ê״μÓÔØºÍ·ÃÎÊ¡£
private void Page_Load(object sender, System.EventArgs e)
{
   if(!Page.IsPostBack)
   {
//µÚÒ»´ÎÖ´ÐеÄCODE HERE
   }
   else
   {
//Óû§Ìá½»FORM(¼´Postback)CODE HERE
   }
   //ÿ´ÎÕâÀïµÄ¶¼»ØÖ´ÐÐCODE HERE
}
¶ÔÓ¦µÄʼþPage.Load
5. Handle control events;


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