HTTP 信息，F5刷新

首次加载（如果直接打开）
GET /csdn/Default2.aspx HTTP/1.1
Accept: */*
Accept-Language: zh-cn
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C; .NET4.0E)
Host: localhost:26522
Connection: Keep-Alive

首次加载（超链接打开）
GET /csdn/Default2.aspx HTTP/1.1
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/x-ms-application, application/x-ms-xbap, application/vnd.ms-xpsdocument, application/xaml+xml, */*
Referer: http://localhost:26522/csdn/Default2.aspx
Accept-Language: zh-cn
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C; .NET4.0E)
Host: localhost:26522
Connection: Keep-Alive


按钮事件：
POST /csdn/Default2.aspx HTTP/1.1
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/x-ms-application, application/x-ms-xbap, application/vnd.ms-xpsdocument, application/xaml+xml, */*
Referer: http://localhost:26522/csdn/Default2.aspx
Accept-Language: zh-cn
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C; .NET4.0E)
Host: localhost:26522
Content-Length: 659
Connection: Keep-Alive
Cache-Control: no-cache

__EVENTTARGET=&__EVENTARGUMENT=&__VIEWSTATE=%......&TextBox1=

F5刷新提交：
POST /csdn/Default2.aspx HTTP/1.1
Accept: */*
Referer: http://localhost:26522/csdn/Default2.aspx
Accept-Language: zh-cn
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C; .NET4.0E)
Host: localhost:26522
Content-Length: 659
Connection: Keep-Alive
Cache-Control: no-cache

__EVENTTARGET=&__EVENTARGUMENT=&__VIEWSTATE=%.....&TextBox1=