Billing application for Windows Mobile - Help!

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VB

Hello,

I am building an application for my graduation project for Windows Mobile that gives the detailed bill for the mobile user.

First, the user enters the price of a call and SMS and other fees like VAT. The application must then run in the background without the user's notice and should retrieve all the outgoing calls and the number of SMS and save them in a database. Later, the user can enter ask for a report that gives him the cost of each call and the total.

The problem is I'm new to VB.NET and I need some help in this application. I've started by building the interface for the user entry for the price, and the app that runs in the background. But I don't know how to open the call log and retrieve the outgoing calls and SMS and save them to a SQL database.

P.S. I'm using MS SQL Sserver.

I'll be greatful if someone can help!

Thank you!