Setting up the markup for this project

Here, we'll create a project. Start with the simple HTML markup shown in the following screenshot:

Figure 6.10.1: The simple HTML markup for our project

Creating the product class

Now, go to the Solution Explorer, right-click on the name of the website, select Add, and then click on Class. Name the class Product and click on OK. When the Visual Studio message comes up, click on Yes.

So the relevant portion of the initial Product class code looks as shown in the following screenshot, which is sufficient for our purposes:

Figure 6.10.2: The initial Product class code

What's true about every product is that you have a price, a name, and so on. For our purposes, enter the following below the open curly brace under public class Product:

private decimal price;

There you go! Of course, the only thing we'll do within the body of the constructor is type the following:

price = pri;

This line is used to set the value of the instance variable. Now let's make a virtual function...