C # simple example of Post data and receiving

C # simple example of Post data and receiving public partial class Post_Server: System. web. UI. page {protected void Page_Load (object sender, EventArgs e) {string type = ""; string Re = ""; Re + = "data transfer method:"; if (Request. requestType. toUpper () = "POST") {type = "POST"; Re + = type + "<br/> the parameters are: <br/> "; sortedList table = Param (); if (table! = Null) {foreach (DictionaryEntry De in table) {Re + = "parameter name:" + De. key + "value:" + De. value + "<br/>" ;}} else {Re = "you didn't pass any parameters! ";}} Else {type =" GET "; Re + = type +" <br/> the parameters are: <br/> "; NameValueCollection nvc = GETInput (); if (nvc. count! = 0) {for (int I = 0; I <nvc. count; I ++) {Re + = "parameter name:" + nvc. getKey (I) + "value:" + nvc. getValues (I) [0] + "<br/>" ;}} else {Re = "you didn't pass any parameters! ";}} Response. write (Re);} // GET the data returned by GET private NameValueCollection GETInput () {return Request. queryString;} // obtain the private string PostInput () {try {System. IO. stream s = Request. inputStream; int count = 0; byte [] buffer = new byte [1024]; StringBuilder builder = new StringBuilder (); while (count = s. read (buffer, 0, 1024)> 0) {builder. append (Encoding. UTF8.GetString (buffer, 0, coun T);} s. flush (); s. close (); s. dispose (); return builder. toString () ;}catch (Exception ex) {throw ex ;}} private SortedList Param () {string POSTStr = PostInput (); SortedList SortList = new SortedList (); int index = POSTStr. indexOf ("&"); string [] Arr ={}; if (index! =-1) // parameter passing is not only one {Arr = POSTStr. split ('&'); for (int I = 0; I <Arr. length; I ++) {int partition Index = Arr [I]. indexOf ('='); string paramN = Arr [I]. substring (0, reverse index); string paramV = Arr [I]. substring (distinct index + 1); if (! SortList. containsKey (paramN) // prevents users from passing the same parameter {SortList. add (paramN, paramV);} else // if there are the same, keep deleting and take the last value as the standard {SortList. remove (paramN); SortList. add (paramN, paramV) ;}} else // The value of the parameter is less than or equal to 1 {int reverse Index = POSTStr. indexOf ('='); if (partial index! =-1) {// The parameter is a string paramN = POSTStr. substring (0, reverse index); string paramV = POSTStr. substring (distinct index + 1); SortList. add (paramN, paramV);} else // No parameter passed over {SortList = null;} return SortList ;}} protected void button#click (object sender, EventArgs e) {Encoding encode = System. text. encoding. getEncoding ("UTF-8"); byte [] arrB = encode. getBytes ("aa = aa & bb = Hafei"); HttpWebRequest myReq = (HttpWebRequest) WebRequest. create ("http: // localhost: 11626/MyTest/Post_Server.aspx"); myReq. method = "POST"; myReq. contentType = "application/x-www-form-urlencoded"; myReq. contentLength = arrB. length; Stream outStream = myReq. getRequestStream (); outStream. write (arrB, 0, arrB. length); outStream. close (); // receives the HTTP Response WebResponse myResp = myReq. getResponse (); Stream ReceiveStream = myResp. getResponseStream (); StreamReader readStream = new StreamReader (ReceiveStream, encode); Char [] read = new Char [256]; int count = readStream. read (read, 0,256); string str = null; www.2cto.com while (count> 0) {str + = new String (read, 0, count); count = readStream. read (read, 0,256);} readStream. close (); myResp. close (); Response. write (str );}