How to post values ​​without using the web form control webBrowser1?

If you are trying to post data from a C# application to PHP form..

WebRequest and WebResponse Might Help you..

Try this..

C# Code:

...
using System.Net;
using System.IO;

...



private void SubmitData()
        {
            //This is kind of a Login Script..
            try
            {
                string user = textBox1.Text;
                string pass = textBox2.Text;

                ASCIIEncoding encoding = new ASCIIEncoding();
                string postData = "user=" + user + "&pass=" + pass;
                //In the above line the Name and value is set
                byte[] data = encoding.GetBytes(postData);

                WebRequest request = WebRequest.Create("http://codeproject.com/login.php");//This is the webpage
                request.Method = "POST";
                request.ContentType = "application/x-www-form-urlencoded";
                request.ContentLength = data.Length;

                Stream stream = request.GetRequestStream();
                stream.Write(data, 0, data.Length);
                stream.Close();

                WebResponse response = request.GetResponse();
                stream = response.GetResponseStream();

                StreamReader sr = new StreamReader(stream);
                string Result = sr.ReadToEnd();
                if(Result == "true")
                {
                     MessageBox.Show("The Login was Successful.");
                }
                else
                {
                     MessageBox.Show("The Login was NOT Successful.");
                }
                sr.Close();
                stream.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show("Error : " + ex.Message);
            }
        }

PHP Code:

<?php

if(isset($_POST['user']) && isset($_POST['pass']))
{
    $user = $_POST['user'];
    $pass = $_POST['pass'];
    if($pass == md5($user))
    echo "true";
    else
    echo "false";
}

?>

This is a small Login Script which the C# app connects to the form which is written in PHP...

Hope it Might Help..