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Classic ASP Web API Examples

Primary Categories

CardConnect
Facebook
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(Classic ASP) PayPal - Delete Draft Invoice

Deletes a draft invoice, by ID. Note that this call works for invoices in the draft state only. For invoices that have already been sent, you can cancel the invoice.

Note: This example requires Chilkat v9.5.0.65 or greater.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
' Note: Requires Chilkat v9.5.0.65 or greater.

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

' Load our previously obtained access token. (see PayPal OAuth2 Access Token)
set jsonToken = Server.CreateObject("Chilkat_9_5_0.JsonObject")
success = jsonToken.LoadFile("qa_data/tokens/paypal.json")

' Build the Authorization request header field value.
set sbAuth = Server.CreateObject("Chilkat_9_5_0.StringBuilder")
' token_type should be "Bearer"
success = sbAuth.Append(jsonToken.StringOf("token_type"))
success = sbAuth.Append(" ")
success = sbAuth.Append(jsonToken.StringOf("access_token"))

' Make the initial connection.
' A single REST object, once connected, can be used for many PayPal REST API calls.
' The auto-reconnect indicates that if the already-established HTTPS connection is closed,
' then it will be automatically re-established as needed.
set rest = Server.CreateObject("Chilkat_9_5_0.Rest")
bAutoReconnect = 1
success = rest.Connect("api.sandbox.paypal.com",443,1,bAutoReconnect)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( rest.LastErrorText) & "</pre>"
    Response.End
End If

' ----------------------------------------------------------------------------------------------
' The code above this comment could be placed inside a function/subroutine within the application
' because the connection does not need to be made for every request.  Once the connection is made
' the app may send many requests..
' ----------------------------------------------------------------------------------------------

success = rest.AddHeader("Authorization",sbAuth.GetAsString())

invoiceId = "INV2-29Z4-EB7M-MUCY-327J"

set sbPath = Server.CreateObject("Chilkat_9_5_0.StringBuilder")
success = sbPath.Append("/v1/invoicing/invoices/")
success = sbPath.Append(invoiceId)

' Send the DELETE request and get the JSON response.
set sbJsonResponse = Server.CreateObject("Chilkat_9_5_0.StringBuilder")
success = rest.FullRequestNoBodySb("DELETE",sbPath.GetAsString(),sbJsonResponse)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( rest.LastErrorText) & "</pre>"
    Response.End
End If

' A 204 response is expected for success.
Response.Write "<pre>" & Server.HTMLEncode( "Response Status Code = " & rest.ResponseStatusCode) & "</pre>"

' Did we get a 204 success response?
If (rest.ResponseStatusCode <> 204) Then
    Response.Write "<pre>" & Server.HTMLEncode( "Failed.") & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( "Received successful 204 status code response.") & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( "There is no response body, as expected.") & "</pre>"
Response.Write "<pre>" & Server.HTMLEncode( "Success.") & "</pre>"

%>
</body>
</html>

 

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