C # Post JSON data

Source: Internet
Author: User

public string Post (string Url, String Jsonparas)
{
string strurl = Url;

Create an HTTP request
HttpWebRequest request = (HttpWebRequest) webrequest.create (strURL);
Post request mode
Request. Method = "POST";
Content Type
Request. ContentType = "application/x-www-form-urlencoded";

Setting parameters and URL encoding

String paraurlcoded = Jsonparas;//system.web.httputility.urlencode (Jsonparas);

        byte[] payload;
       //Convert JSON string to bytes  
         Payload = System.Text.Encoding.UTF8.GetBytes (paraurlcoded);
       //Setting the requested contentlength  
         request. ContentLength = payload. Length;
       //Send request, GET request flow  

        Stream Writer;
        try
        {
             writer = Request. GetRequestStream ();//Gets the stream object used to write the request data
       }
         catch (Exception)
        {
             writer = null;
            Console.Write ("Connection server failed!");
       }
       //write request parameters to stream
        writer. Write (payload, 0, payload. Length);
        Writer. Close ();//Closing the request flow

string strvalue = "";//strvalue the character stream returned by the HTTP response
HttpWebResponse response;
Try
{
Get the response stream
Response = (HttpWebResponse) request. GetResponse ();
}
catch (WebException ex)
{
Response = ex. Response as HttpWebResponse;
}

Stream s = response. GetResponseStream ();


Stream postdata = Request.inputstream;
StreamReader sread = new StreamReader (s);
String postcontent = Sread.readtoend ();
Sread.close ();


Return postcontent;//returns JSON data
}


Receive
Get the JSON data structure that came in post
Stream postdata = Request.inputstream;
StreamReader sread = new StreamReader (postdata);
String postcontent = Sread.readtoend ();
Sread.close ();

C # Post JSON data

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