(C#) Adding Cookies to an HTTP Request

Demonstrates how to add one or more cookies to an HTTP request. For Chilkat HTTP methods that use an HTTP request object, such as SynchronousRequest or PostUrlEncoded, cookies are added by calling the AddHeader method on the request object. For Chilkat HTTP methods that do not use an HTTP request object, such as QuickGetStr, cookies are added by calling AddQuickHeader.

Download: Chilkat .NET Assemblies

Chilkat.Http http = new Chilkat.Http();

bool success;

//  Any string unlocks the component for the 1st 30-days.
success = http.UnlockComponent("Anything for 30-day trial");
if (success != true) {
    textBox1.Text += http.LastErrorText + "\r\n";
    return;
}

//  The Cookie header field has this format:
//  Cookie: name1=value1 [; name2=value2] ...

//  Build an HTTP POST request:
Chilkat.HttpRequest request = new Chilkat.HttpRequest();
request.SetFromUrl("http://www.chilkatsoft.com/echoPost.asp");
request.HttpVerb = "POST";

request.AddParam("param1","value1");
request.AddParam("param2","value2");

//  To add cookies to any HTTP request sent by a Chilkat HTTP method
//  that uses an HTTP request object, add the cookies to the
//  request object by calling AddHeader.

//  Add two cookies:
request.AddHeader("Cookie","user=\"mary\"; city=\"Chicago\"");

//  Send the HTTP POST.
//  (The cookies are sent as part of the HTTP header.)

Chilkat.HttpResponse response = null;
string domain;
domain = "www.chilkatsoft.com";
int port;
port = 80;
bool ssl;
ssl = false;
response = http.SynchronousRequest(domain,port,ssl,request);
if (response == null ) {
    textBox1.Text += http.LastErrorText + "\r\n";
    return;
}

//  Display the HTML body of the response.
if (response.StatusCode == 200) {
    //  Show the last HTTP request header sent, which should include
    //  our cookies...
    textBox1.Text += http.LastHeader + "\r\n";
}
else {
    textBox1.Text += "HTTP Response Status = "
         + response.StatusCode + "\r\n";
}

textBox1.Text += "---------------------" + "\r\n";

//  Some Chilkat HTTP methods do not use an HTTP request object.
//  For these methods, such as for QuickGetStr, cookies (or any HTTP request header)
//  are added by calling AddQuickHeader.
http.AddQuickHeader("Cookie","user=\"mary\"; city=\"Chicago\"");

string html;
html = http.QuickGetStr("http://www.w3.org/");
if (html == null ) {
    textBox1.Text += http.LastErrorText + "\r\n";
}
else {
    //  Show the last HTTP request header sent, which should include
    //  our cookies...
    textBox1.Text += http.LastHeader + "\r\n";
}