Delphi ActiveX Requires Chilkat v11.0.0+

Send XMLHttpRequest and Get Response

See more HTTP Examples

Demonstrates how to send an HTTP XML request and retrieve the response. Delphi ActiveX

var
success: Integer;
http: TChilkatHttp;
xmlStr: WideString;
urlEndpoint: WideString;
xmlCharset: WideString;
resp: TChilkatHttpResponse;

begin
success := 0;

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

http := TChilkatHttp.Create(Self);

//  The XML sent in the body of the request is application
//  specified -- it should contain whatever the server-side
//  application is expecting..
xmlStr := '<?xml version="1.0" encoding="UTF-8"?><appXml><something>123</something></appXml>';

urlEndpoint := 'http://www.chilkatsoft.com/xmlEcho.asp';
xmlCharset := 'utf-8';

resp := TChilkatHttpResponse.Create(Self);
success := http.HttpStr('POST',urlEndpoint,xmlStr,xmlCharset,'application/xml',resp.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

//  The raw HTTP request sent by the above call is:

//  POST /xmlEcho.asp HTTP/1.1
//  Content-Type: text/xml
//  Host: www.chilkatsoft.com
//  Accept: */*
//  Accept-Charset: ISO-8859-1,utf-8;q=0.7,*; q=0.7
//  Accept-Language: en-us,en;q=0.5
//  Accept-Encoding: gzip
//  Content-Length: 81
//  
//  <?xml version="1.0" encoding="UTF-8"?><appXml><something>123</something></appXml>

//  Examine the Body of the HTTP response
//  This would be the XML response sent by the server.
Memo1.Lines.Add(resp.BodyStr);