(VB.NET) 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 HttpSReq, 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 SetRequestHeader.

Note: This example requires Chilkat v11.0.0 or greater.

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Dim success As Boolean = False

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

Dim http As New Chilkat.Http

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

' Build an HTTP POST request:
Dim req As New Chilkat.HttpRequest
req.SetFromUrl("https://www.chilkatsoft.com/echoPost.asp")
req.HttpVerb = "POST"

req.AddParam("param1","value1")
req.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:
req.AddHeader("Cookie","user=""mary""; city=""Chicago""")

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

Dim domain As String = "www.chilkatsoft.com"
Dim port As Integer = 443
Dim ssl As Boolean = True
Dim resp As New Chilkat.HttpResponse
success = http.HttpSReq(domain,port,ssl,req,resp)
If (success = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


' Display the HTML body of the response.
If (resp.StatusCode = 200) Then
    ' Show the last HTTP request header sent, which should include
    ' our cookies...
    Debug.WriteLine(http.LastHeader)
Else
    Debug.WriteLine("HTTP Response Status = " & resp.StatusCode)
End If


Debug.WriteLine("---------------------")

' 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 SetRequestHeader.  
http.SetRequestHeader("Cookie","user=""mary""; city=""Chicago""")

Dim html As String = http.QuickGetStr("https://www.example.com/")
If (http.LastMethodSuccess <> True) Then
    Debug.WriteLine(http.LastErrorText)
Else
    ' Show the last HTTP request header sent, which should include
    ' our cookies...
    Debug.WriteLine(http.LastHeader)
End If