Post the URL and show the ouptut

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4.00/5 (1 vote)

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Hi All

OS:Windows XP
Server: IIS
Visual Studio 2010 (C#.net)

I have to create an C#.net web application which POST the data on particular URL(third party website) and give the response back to the original site.

As I did same task in Curl in PHP, by which I post all the data to the URL and got the final generated output.

But I am unable to get any clue that what would be the best approach to do the same in C#.net.

C#

string url="http://www.tempuri.com";

WebRequest request = WebRequest.Create(url);
request.ContentType = "text/xml";
request.Method = "POST";
request.Credentials = new NetworkCredential("username", "password");

byte[] buffer = Encoding.GetEncoding("UTF-8").GetBytes("my_workspace");
Stream reqstr = request.GetRequestStream();
reqstr.Write(buffer, 0, buffer.Length);
reqstr.Close();

WebResponse response = request.GetResponse();
TextBox8.Text = response.ToString();

But the above code is giving me the error:
The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.

Regards
mahendra

Posted 18-Apr-12 3:42am

masdhasdh

Updated 18-Apr-12 4:01am

fjdiewornncalwe

v2

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masdhasdh 19-Apr-12 10:38am

Hello All..

Thanks for reviewing my question.

Just want to add some basic things in very normal way.

I want to post the Data on third party URL which is again a local HTTPS web-portal.
after success/unsuccessful it print the data on browser.That I have to show on output on my website.

Please suggest..

Thanks again..

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AbdulMuheet · Answer 1 · 2012-04-24T02:19:00

You can try below code. I have not check it with SSL but it working to post data for http protocol.

C#

postData = "data=" + Server.UrlEncode(readStr);
       
        //----  Post data           

        HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(URL);
        myRequest.Method = "POST";
        myRequest.ContentType = "application/x-www-form-urlencoded";
        byte[] data = encoding.GetBytes(postData);
        //myRequest.Credentials = new NetworkCredential(strId, strpass);
        myRequest.ContentLength = data.Length;
        Stream newStream = myRequest.GetRequestStream();
        newStream.Write(data, 0, data.Length);
        newStream.Close();
        newStream.Dispose();

        HttpWebResponse httpWebResponse = (HttpWebResponse)myRequest.GetResponse();
        Stream responseStream = httpWebResponse.GetResponseStream();
        httpWebResponse.Close();
        responseStream.Close();
        responseStream.Dispose();