asp.net - How to transfer/redirect calls without www to www.domain.com -

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i have website in asp.net. want calls to: domain.com redirected www.domain.com

i found here following:

rewriteengine on rewritecond %{http_host} !^www. rewriterule ^ http://www.%{http_host}%{request_uri} [l,r=301]

however, might cause problem when using subdomain xx.domain.com

thanks

you can use code asp.net application @ global.asax file:

void application_beginrequest(object sender, eventargs e) {    string fromhomeurl = http://yourdomain.com;        string tohomeurl = http://www.yourdomain.com;     if(httpcontext.current.request.url.tostring().tolower().contains(fromhomeurl))    {        httpcontext.current.response.status = "301 moved permanently";        httpcontext.current.response.addheader("location",        request.url.tostring().tolower().replace(fromhomeurl, tohomeurl));    } }

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