c# - Send more than one post request -


i want send multiply post requests website. i've search on google , got code:

 class program {     public static httpwebrequest httpwreq = (httpwebrequest)webrequest.create("http://example.com/login.php");     public static asciiencoding encoding = new asciiencoding();     public static string postdata = "";     public static bool first = true;     static void main(string[] args)     {         string uname = "", pass = "", final = "";          while (1>0)         {             console.writeline("enter uname ,then password");             uname = console.readline();             pass = console.readline();             if (uname == "0")                 break;             final = letstry(uname, pass);              console.writeline(final);             console.writeline("finish that");         }     }      public static string letstry(string uname, string pass)     {           postdata = "uname=" + uname;         postdata += ("&pass=" + pass);         byte[] data = encoding.getbytes(postdata);         if (first)         {             httpwreq.method = "post";             httpwreq.contenttype = "application/x-www-form-urlencoded";             httpwreq.contentlength = data.length;             first = !first;         }          stream newstream = httpwreq.getrequeststream();         newstream.write(data, 0, data.length);         newstream.close();          webresponse resp = httpwreq.getresponse();         streamreader sr = new system.io.streamreader(resp.getresponsestream());         return sr.readtoend().trim();     } }

i'm getting error connection closed (newstream). why can't use same connection send more 1 request?

the idea can think it's send stream var letstry, instead of creating newstream.

i'm no expert, i'm sorry unnecessary mistakes.

tyvm help:)

webrequest designed says: make 1 request. if want make multiple requests, create new webrequest each time.

if keepalive property true, requests try use same connection, if possible. see understanding system.net connection management , servicepointmanager more information.


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