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VB.NET UWP/WinRT Web API Examples

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(VB.NET UWP/WinRT) Walmart - Get an Order by purchaseOrderId

Gets the XML data for an order by purchaseOrderId.

Note: This example requires Chilkat v9.5.0.67 or greater.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

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

' Demonstrates how to get the XML for a particular order by purchaseOrderId

' Sends the following GET request:
' GET https://marketplace.walmartapis.com/v3/orders/{purchaseOrderId}

Dim sbUrl As New Chilkat.StringBuilder
Dim success As Boolean = sbUrl.Append("https://marketplace.walmartapis.com/v3/orders/{purchaseOrderId}")
Dim numReplaced As Integer = sbUrl.Replace("{purchaseOrderId}","1111691995111")

Dim requestMethod As String = "GET"

' First we need to generate a signature for the request.
' The signature needs to be re-generated for each new Walmart HTTP request.
Dim authUtil As New Chilkat.AuthUtil

Dim wmConsumerId As String = "WALMART_CONSUMER_ID"
Dim wmPrivateKey As String = "WALMART_PRIVATE_KEY"
Dim jsonStr As String = authUtil.WalmartSignature(sbUrl.GetAsString(),wmConsumerId,wmPrivateKey,requestMethod)
If (authUtil.LastMethodSuccess <> True) Then
    Debug.WriteLine(authUtil.LastErrorText)
    Exit Sub
End If


' The JSON returned by WalmartSignature contains the values to be used in the following
' header fields: WM_SEC.AUTH_SIGNATURE, WM_SEC.TIMESTAMP, and WM_QOS.CORRELATION_ID
Dim json As New Chilkat.JsonObject
json.Load(jsonStr)

Dim http As New Chilkat.Http
http.SetRequestHeader("WM_SVC.NAME","Walmart Marketplace")
http.SetRequestHeader("WM_QOS.CORRELATION_ID",json.StringOf("correlation_id"))
http.SetRequestHeader("WM_SEC.TIMESTAMP",json.StringOf("timestamp"))
http.SetRequestHeader("WM_SEC.AUTH_SIGNATURE",json.StringOf("signature"))
http.SetRequestHeader("WM_CONSUMER.ID",wmConsumerId)
http.SetRequestHeader("WM_CONSUMER.CHANNEL.TYPE","WALMART_CHANNEL_TYPE")

http.Accept = "application/xml"

' Note: Do not explicitly set the "Host" header.  Chilkat will set it automatically.

Dim xmlStr As String = Await http.QuickGetStrAsync(sbUrl.GetAsString())
If (http.LastMethodSuccess <> True) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Dim xml As New Chilkat.Xml
xml.LoadXml(xmlStr)

' A successful response should have a 200 response status
If (http.LastStatus <> 200) Then
    Debug.WriteLine(xml.GetXml())
    Debug.WriteLine("Response Status Code: " & http.LastStatus)
    Debug.WriteLine("Failed.")
    Exit Sub
End If


' Show the XML response:
Debug.WriteLine(xml.GetXml())
Debug.WriteLine("Success.")

 

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