Introduction

Your first case study is a simple online guestbook application, completely coded in ASP.NET. You are going to need to provide the basic functions through this guestbook, namely the ability to do the following:

1. Enable guests to enter messages.

2. Display all messages on one page.

3. Show author, e-mail address of author, and comment from the author of the message.

The flowchart in Figure 11.1 shows the user interaction process that you want to achieve.

Figure 11.1: Basic Functionality Layout

In essence, the user will come to the site and decide if he or she wants to view previous messages or add new messages. The user will be redirected to the view comments page after filling out a new message, or the user viewing the messages has the option to fill out a message.

All of these functions need to be kept as compact as possible. Our backend needs to store the following information for every message that is left on the guestbook:

• Name

• E-mail

• Subject Line

• Actual Comment

The Name, E-mail, Subject Line, and Actual Comment need to be required fields and you need to provide validation for the e-mail field. Also, you need to provide the user with an easy-to-use interface. A basic interface would consist of the user being...