For review, the complete version of the Default.aspx.cs
file for this chapter, including comments, is shown in the following code block:
//using is a directive //System is a name space //name space is a collection of features that our needs to run using System; using System.Linq; using System.Collections.Generic; //public means accessible anywhere //partial means this class is split over multiple files //class is a keyword and think of it as the outermost level of grouping //:System.Web.UI.Page means our page inherits the features of a Page public partial class _Default : System.Web.UI.Page { protected void Button1_Click(object sender, EventArgs e) { //line 16 creates array of names IEnumerable<string> names = new string[] { "john", "job", "janet", "mary", "steve" }; //line 18 creates array of integers, and converts to //list of integers List<int> lst = new int[] { 1, 2, 12, 4, 5, -10, 5, 25, 54 }.ToList(...