Classic ASP
SharePoint -- Update List

This example shows how to update a SharePoint (to change the value of a list property, such as Title).
Chilkat Classic ASP Downloads

Classic ASP
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<%
success = 0

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

set http = Server.CreateObject("Chilkat.Http")

' If SharePoint Windows classic authentication is used, then set the 
' Login, Password, LoginDomain, and NtlmAuth properties.
http.Login = "SHAREPOINT_USERNAME"
http.Password = "SHAREPOINT_PASSWORD"
http.LoginDomain = "SHAREPOINT_NTLM_DOMAIN"
http.NtlmAuth = 1

' The more common case is to use SharePoint Online authentication (via the SPOIDCRL cookie).
' If so, do not set Login, Password, LoginDomain, and NtlmAuth, and instead
' establish the cookie as shown at SharePoint Online Authentication

' To create a list, we're going to POST to
' https://SHAREPOINT_HTTPS_DOMAIN/_api/web/lists(guid'{list_guid}')
' with a request body containing the following JSON:
' 
' {
'   "__metadata": {
'     "type": "SP.List"
'   },
'   "Title": "New title"
' }

' In this case, the list_guid is "b0d92cec-4be1-4e52-943d-ebcb432e1c3b"
set req = Server.CreateObject("Chilkat.HttpRequest")
req.HttpVerb = "POST"
req.Path = "/_api/web/lists(guid'b0d92cec-4be1-4e52-943d-ebcb432e1c3b')"

' We need to add a form digest value in the X-RequestDigest header field.
' See this example for details on
' how to get (and cache) a form digest value
req.AddHeader "X-RequestDigest","SHAREPOINT_FORM_DIGEST"

' Set the Content-Type, and indicate that a JSON response is desired.
req.ContentType = "application/json;odata=verbose"
req.AddHeader "Accept","application/json;odata=verbose"

' Create and add the JSON body.
' Use this online tool to generate code from sample JSON: 
' Generate Code to Create JSON
set json = Server.CreateObject("Chilkat.JsonObject")
success = json.UpdateString("__metadata.type","SP.List")
success = json.UpdateString("Title","New title")

' Send the POST using HTTPS (TLS). Port 443 is the default port for https.
bUseTls = 1
set resp = Server.CreateObject("Chilkat.HttpResponse")
success = http.HttpSReq("SHAREPOINT_HTTPS_DOMAIN",443,bUseTls,req,resp)
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( http.LastErrorText) & "</pre>"
    Response.End
End If

' The response body contains JSON.
success = json.Load(resp.BodyStr)
json.EmitCompact = 0

' The expected success response code is 201.
' (Let's also check for 200, just in case things change..)
If ((resp.StatusCode <> 200) And (resp.StatusCode <> 201)) Then
    Response.Write "<pre>" & Server.HTMLEncode( "Response status code = " & resp.StatusCode) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( json.Emit()) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( "Failed") & "</pre>"
    Response.End
End If

' Show the successful JSON response.
Response.Write "<pre>" & Server.HTMLEncode( json.Emit()) & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( "Success.") & "</pre>"

' Use this online tool to generate parsing code from sample JSON: 
' Generate Parsing Code from JSON

%>
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