VB.NET

HTTPS Upload File to Web Server

See more HTTP Examples

Uploads a file to a web server using HTTPS. VB.NET

Dim success As Boolean = False

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

' The ContentType, HttpVerb, and Path properties should
' always be explicitly set.
Dim req As New Chilkat.HttpRequest
req.HttpVerb = "POST"
req.Path = "/receiveMyUpload.aspx"
req.ContentType = "multipart/form-data"

req.AddStringForUpload("fileA","fileA.txt","This is the contents of file A","utf-8")
success = req.AddFileForUpload("starfish.jpg","qa_data/jpg/starfish.jpg")
If (success = False) Then
    Debug.WriteLine(req.LastErrorText)
    Exit Sub
End If


Dim http As New Chilkat.Http

' ----------------------------------------------------------------------------
' IMPORTANT:
' HTTP uploads require a counterpart implementation on the server, written in any desired language
' such as C#, Classic ASP, PHP, etc., which consumes the upload being sent.
' See: ASP.NET Receive Upload
' ----------------------------------------------------------------------------

' Do the upload.
Dim useSslTls As Boolean = True
Dim resp As New Chilkat.HttpResponse
success = http.HttpSReq("www.example.com",443,useSslTls,req,resp)
If (success = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Debug.WriteLine("response status code = " & resp.StatusCode)
Debug.WriteLine("response body:")
Debug.WriteLine(resp.BodyStr)