(Delphi ActiveX) HTTP POST x-www-form-urlencoded

Demonstrates how to send a simple URL encoded POST (content-type = x-www-form-urlencoded). Form params are passed in the HTTP request body in x-www-form-urlencoded format.

Chilkat for Delphi Downloads

Chilkat ActiveX DLL for Delphi

Chilkat non-ActiveX DLL for Delphi

* The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: TChilkatHttp;
req: TChilkatHttpRequest;
resp: IChilkatHttpResponse;

begin
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

http := TChilkatHttp.Create(Self);

req := TChilkatHttpRequest.Create(Self);

// Add the request params expected by the server-side:
req.AddParam('city','Paris');
req.AddParam('country','France');

// Send the POST  (This is a real URL that may be tested.)

resp := http.PostUrlEncoded('http://www.chilkatsoft.com/httpTest/cityCountry.asp',req.ControlInterface);
if (http.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

// The exact HTTP request sent and response received
// by the example code above is as follows:

// 
// ---- Sending ----
// POST /httpTest/cityCountry.asp HTTP/1.1
// Host: www.chilkatsoft.com
// Content-Type: application/x-www-form-urlencoded
// Content-Length: 25
// 
// city=Paris&country=France
// ---- Received ----
// HTTP/1.1 200 OK
// Date: Wed, 09 Dec 2009 16:16:00 GMT
// Server: Microsoft-IIS/6.0
// X-Powered-By: ASP.NET
// Content-Length: 156
// Content-Type: text/html
// Set-Cookie: ASPSESSIONIDQCDTSSAC=MHJCNFMDENFOKGINOFEDILCM; path=/
// Cache-control: private
// 
// 
// <html>
// <head>
// <meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
// </head>
// <body>
// 
// France<br />Paris<br />
// 
// </body>
// </html>
end;