ASP.NET classes and examples

' This snip shows how to add a new user, 
' see floorplanner.com/api for details
Dim uri As Uri = new Uri(ADD_USER_URL)
Dim request as HttpWebRequest =  CType(WebRequest.Create(uri),HttpWebRequest)

' Build XML for the POST body (in this case from a custom User class)
Dim xmlStr As String = User.ToXmlString()

' Grab the bytes
Dim xmlBytes As Byte() = Encoding.UTF8.GetBytes(xmlStr)

request.Method = "POST"       
request.ContentLength = xmlBytes.Length
request.ContentType = "application/xml"

' Basic Authorization
' Make sure PreAuthenticate is set to True, else the 
' Authorization header will *not* be sent, and an error will be thrown
request.Credentials = New NetworkCredential(API_KEY, API_PASS)
request.PreAuthenticate = True

' Alternatively use a more old-fashioned method
' Dim basicAuth As String = Convert.ToBase64String(Encoding.ASCII.GetBytes(API_KEY & ":" & API_PASS))
' request.Headers.Add("Authorization", "Basic " & basicAuth)

' Add our payload
Dim reqStream As Stream = request.GetRequestStream
reqStream.Write(xmlBytes, 0, xmlBytes.Length)
reqStream.Close

Try
     Dim resp As HttpWebResponse = CType(request.GetResponse(),HttpWebResponse)
     Dim reader As StreamReader = New StreamReader(resp.GetResponseStream)
     ' do something with the result XML string
     Dim userXml As String = reader.ReadToEnd
Catch e As WebException
     ' handle the error
End Try