B4X

HTTPS Upload File to Web Server

See more HTTP Examples

Uploads a file to a web server using HTTPS. B4X

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 ChilkatHttpRequest
req.Initialize
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
    Log(req.LastErrorText)
    Return
End If


Dim http As ChilkatHttp
http.Initialize("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 ChilkatHttpResponse
resp.Initialize
success = http.HttpSReq("www.example.com", 443, useSslTls, req, resp)
If success = False Then
    Log(http.LastErrorText)
    Return
End If


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