求助!!!把这段asp代码改为asp.net
cj777 2004-07-01 08:18:17 <%host_dns=Request.ServerVariables("HTTP_HOST")%>
<%if Request.Cookies(host_dns)("UserLevelPur")!="0,0,0,0,0,0|0,0,0,0,0|1,1,1,1|1,1|1,1,1,1,1,1,1|1,1,1,1|1,1,1,1|1" then
response.write "<script>alert('无权使用!');history.back();</Script>"
response.end
end if %>