can anyone help me out?

out there is an example solution BDAdotNet from Microsoft. i think this sample could help me out. i am trying to read and write XML Data to and out of a Web Service. hoe can i read a XML file trough a Web Service validate the incomming data and send the X
ML data back to the client with an exception protocoll? as mentioned before the sample BDAdotNet could help me out, but i am missing three files BDAdotNetWebService1Get.vb, BDAdotNetWebService1Post.vb, BDAdotNetWebService1SOAP.vb. does one know where to g
et the missing Files?

thank you in advance.