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Visual Basic 6.0 Web API Examples

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(Visual Basic 6.0) Quickbooks Delete an Invoice

Demonstrates how to delete an invoice using the Quickbooks REST API.

For more information, see https://www.developer.intuit.com/app/developer/qbo/docs/api/accounting/most-commonly-used/invoice#delete-an-invoice

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

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

' First get our previously obtained OAuth2 access token.
Dim jsonToken As New ChilkatJsonObject
Dim success As Long
success = jsonToken.LoadFile("qa_data/tokens/qb-access-token.json")

Dim rest As New ChilkatRest

' Connect to the REST server.
Dim bTls As Long
bTls = 1
Dim port As Long
port = 443
Dim bAutoReconnect As Long
bAutoReconnect = 1
Dim success As Long
success = rest.Connect("sandbox-quickbooks.api.intuit.com",port,bTls,bAutoReconnect)

Dim sbAuth As New ChilkatStringBuilder
success = sbAuth.Append("Bearer ")
success = sbAuth.Append(jsonToken.StringOf("access_token"))
rest.Authorization = sbAuth.GetAsString()

' --------------------------------------------------------------------------
' Note: The above code to setup the initial REST connection
' can be done once.  After connecting, any number of REST calls can be made.
' If the connection is lost, the next REST method call will automatically
' reconnect if needed.
' --------------------------------------------------------------------------

' Create the following JSON:

' {
'   "SyncToken": "3",
'   "Id": "33"
' }
' 
' Use the this online tool to generate the code from sample JSON: 
' Generate Code to Create JSON

Dim jsonReq As New ChilkatJsonObject
success = jsonReq.UpdateString("SyncToken","3")
success = jsonReq.UpdateString("Id","33")

Dim sbRequestBody As New ChilkatStringBuilder
success = jsonReq.EmitSb(sbRequestBody)

success = rest.AddHeader("Content-Type","application/json")
success = rest.AddHeader("Accept","application/json")
rest.AllowHeaderFolding = 0

Dim sbResponseBody As New ChilkatStringBuilder
success = rest.FullRequestSb("POST","/v3/company/<realmID>/invoice?operation=delete",sbRequestBody,sbResponseBody)
If (success <> 1) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

Dim respStatusCode As Long
respStatusCode = rest.ResponseStatusCode

' Success is indicated by a 200 response status code.
Debug.Print "response status code = " & respStatusCode

Dim jsonResponse As New ChilkatJsonObject
success = jsonResponse.LoadSb(sbResponseBody)
jsonResponse.EmitCompact = 0
Debug.Print jsonResponse.Emit()

If (rest.ResponseStatusCode <> 200) Then
    Debug.Print "Failed."
    Exit Sub
End If

' Sample output...
' (See the parsing code below..)
' 
' Use the this online tool to generate parsing code from sample JSON: 
' Generate Parsing Code from JSON

' {
'   "Invoice": {
'     "status": "Deleted",
'     "domain": "QBO",
'     "Id": "33"
'   },
'   "time": "2013-03-15T00:18:15.322-07:00"
' }
' 

Dim InvoiceStatus As String
InvoiceStatus = jsonResponse.StringOf("Invoice.status")
Dim InvoiceDomain As String
InvoiceDomain = jsonResponse.StringOf("Invoice.domain")
Dim InvoiceId As String
InvoiceId = jsonResponse.StringOf("Invoice.Id")
Dim time As String
time = jsonResponse.StringOf("time")

 

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