ASP.NET

<br />
<WebMethod()> _<br />
    Public Function HelloWorld(ByVal person As String) As String<br />
        Return "Hello" + person<br />
    End Function<br />

<br />
' Create the web request  <br />
        request = DirectCast(WebRequest.Create("http://localhost:80/WebService_RPC2"), HttpWebRequest)<br />
<br />
        ' Set type to POST  <br />
        request.Method = "POST"<br />
        request.ContentType = "application/x-www-form-urlencoded"<br />
<br />
        ' Create a byte array of the data we want to send  <br />
        byteData = System.Text.UTF8Encoding.UTF8.GetBytes(data.ToString())<br />
<br />
        ' Set the content length in the request headers  <br />
        request.ContentLength = data.Length<br />
<br />
        ' Write data  <br />
        Try<br />
            postStream = request.GetRequestStream()<br />
            postStream.Write(byteData, 0, byteData.Length)<br />
        Catch ex As Exception<br />
            MessageBox.Show(ex.Message)<br />
        Finally<br />
            If Not postStream Is Nothing Then postStream.Close()<br />
        End Try<br />
<br />
        Try<br />
            ' Get response  <br />
            response = DirectCast(request.GetResponse(), HttpWebResponse)<br />
<br />
            ' Get the response stream into a reader  <br />
            reader = New StreamReader(response.GetResponseStream())<br />
<br />
            ' Console application output  <br />
            Console.WriteLine(reader.ReadToEnd())<br />
        Catch ex As Exception<br />
            MessageBox.Show(ex.Message)<br />
<br />
        Finally<br />
            If Not response Is Nothing Then response.Close()<br />
        End Try<br />
<br />
        Dim responseString As String = Convert.ToString(reader)<br />