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.Data.SqlClient;
using System.Linq;
using System.Data;
//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)
{
//make connection string
string connString = @"Data Source=DESKTOP-4L6NSGO\SQLEXPRESS;Initial Catalog=People;Integrated Security=True;Connect Timeout=15;Encrypt=False;TrustServerCertificate=False;ApplicationIntent...
