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

namespace Examples.System.Net
{
    public class WebRequestPostExample
    {
        public static void Main()
        {
            // Create a request using a URL that can receive a post. 
            WebRequest request = WebRequest.Create("http://www.contoso.com/PostAccepter.aspx");
            // Set the Method property of the request to POST.
            request.Method = "POST";
            // Create POST data and convert it to a byte array.
            string postData = "This is a test that posts this string to a Web server.";
            byte[] byteArray = Encoding.UTF8.GetBytes(postData);
            // Set the ContentType property of the WebRequest.
            request.ContentType = "application/x-www-form-urlencoded";
            // Set the ContentLength property of the WebRequest.
            request.ContentLength = byteArray.Length;
            // Get the request stream.
            Stream dataStream = request.GetRequestStream();
            // Write the data to the request stream.
            dataStream.Write(byteArray, 0, byteArray.Length);
            // Close the Stream object.
            dataStream.Close();
            // Get the response.
            WebResponse response = request.GetResponse();
            // Display the status.
            Console.WriteLine(((HttpWebResponse)response).StatusDescription);
            // Get the stream containing content returned by the server.
            dataStream = response.GetResponseStream();
            // Open the stream using a StreamReader for easy access.
            StreamReader reader = new StreamReader(dataStream);
            // Read the content.
            string responseFromServer = reader.ReadToEnd();
            // Display the content.
            Console.WriteLine(responseFromServer);
            // Clean up the streams.
            reader.Close();
            dataStream.Close();
            response.Close();
        }
    }
}

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Contributed on Jan 17 2022

petee

0 Answers Avg Quality 2/10

HTTP#

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Let’s get back into HTTP. It’s a client-server protocol that specifies how Web clients request Web pages from Web servers and how Web servers send them.

Remember the following diagram from the lesson on Network Application Architectures? Well, it was actually outlining HTTP in general.

The orange arrow represents an HTTP request

The blue arrow represents an HTTP response

Clients obtain content (such as videos) and/or services (such as an online calculator) from servers.

The first message is called an HTTP request and the second one an HTTP response. There’s a whole class of protocols that are considered request-response protocols. HTTP is one of them. We will look in more detail at the HTTP request message in the next lesson and response after that!

Note that HTTP is a stateless protocol: servers do not store any information about clients by default. So if a client requests the same object multiple times in a row, the server would send it and would not know that the same client is requesting the same object repeatedly.

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Contributed on Aug 22 2023

Sumit Rawal

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http meaning

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4

Hyper-Text Transfer Protocaol
Which is why HTML 'Hyper-Text' Mark up language
Website and Website language

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Source: Grepper

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Contributed on Oct 30 2022

YamiTT

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