Build real-world programming skills--and prepare for MCP Exams 70-306 and 70-316--with this official Microsoft study guide. Work at your own pace through the lessons and hands-on exercises to learn how to develop Windows-based applications using Visual Basic .NET and Visual C# .NET. Side-by-side code examples and labs show how to perform essential tasks in both programming languages and fully cover the objectives of both certification exams. This newly revised second edition delves deeper into Microsoft ADO.NET, SQL syntax, XML manipulation, debugging, event handlers, and other key topics. It also includes an enhanced testing tool on CD that provides more practice questions, detailed feedback on answers, and automated scoring. As you build your programming expertise through the skill-building exercises and self-assessment tests, you￯﾿ﾽre also preparing for MCAD or MCSD certification for Microsoft .NET.