c# - Timeout on a GET Webrequest -

i have webrequest retrieve large files , gives timeouts large files, not able extent timeout unlimited or @ least 10 minutes, know how this?

httpwebrequest httpwebrequest = (httpwebrequest)webrequest.create(uri); httpwebrequest.cookiecontainer = user.cookies; httpwebrequest.host = uri.host;  httpwebrequest.method = webrequestmethods.http.get; httpwebrequest.accept = user.post_headers.firstordefault(x => x.key == 8).value; httpwebrequest.useragent = user.post_headers.firstordefault(x => x.key == 4).value; httpwebrequest.allowwritestreambuffering = true; httpwebrequest.protocolversion = httpversion.version11; httpwebrequest.allowautoredirect = true; httpwebrequest.keepalive = true; httpwebresponse response_posts = (httpwebresponse)httpwebrequest.getresponse();  using (httpwebreponse = (httpwebresponse)httpwebrequest.getresponse()) { 

this solution

request.headers["timeout"] = "300"; // in seconds