HttpWebRequest请求如何获取转向页面的Cookies?

请求头如下，在页面转向过程中的三个Cookies请求无法取到？如何解法？POST /club/login.asp HTTP/1.1
Accept: */*
Referer: http://www.hzhouse.net/index.asp
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 1.1.4322; .NET CLR 2.0.50727)
Host: www.hzhouse.net
Content-Length: 96
Connection: Keep-Alive
Cache-Control: no-cache
Cookie: ASPSESSIONIDAASBDCQR=KHFOICEBNJJLCGPGEOFEAHNL; upNum=0; hzhouse=usercookies=&userid=&userclass=&username=&userhidden=&password=; username=action=chk&comeurl=..%2Findex.asp&userhidden=2&CookieDate=0&username=hawaii007&password=11111HTTP/1.1 302 Object moved
Cache-Control: private
Date: Fri, 15 Dec 2006 17:24:01 GMT
Content-Length: 133
Content-Type: text/html
Location: ../index.asp
Server: Microsoft-IIS/6.0
X-Powered-By: ASP.NET
Set-Cookie: username=Hawaii007; path=/
Set-Cookie: hzhouse=userid=114944&usercookies=0&userhidden=2&password=11111&userclass=%D0%C2%CA%D6%C9%CF%C2%B7&username=Hawaii007; path=/
Set-Cookie: upNum=0; path=/GET /index.asp HTTP/1.1
Accept: */*
Referer: http://www.hzhouse.net/index.asp
Accept-Language: zh-cn
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)
Host: www.hzhouse.net
Connection: Keep-Alive
Cache-Control: no-cache
Cookie: ASPSESSIONIDAASBDCQR=KHFOICEBNJJLCGPGEOFEAHNL; upNum=0; hzhouse=userid=114944&usercookies=0&userhidden=2&password=11111&userclass=%D0%C2%CA%D6%C9%CF%C2%B7&username=Hawaii007; username=Hawaii007HTTP/1.1 200 OK
Cache-Control: private
Date: Fri, 15 Dec 2006 17:24:04 GMT
Content-Length: 82256
Content-Type: text/html
Server: Microsoft-IIS/6.0
X-Powered-By: ASP.NET