This document provides an introduction to ASP.NET, including an overview of .NET and its components. It discusses how ASP.NET allows the .NET framework to be exposed to the web using IIS. It also covers topics like scripting languages, Microsoft Visual Studio, creating ASP.NET pages, controls, events, variables, data types, operators, functions and arrays. The document is intended as the first day of an 11-week introduction to ASP.NET course.