E-Shopping Website Project

Create a project on the following topic: "Sports Equipment and Apparel E-Shopping Website"

This material may consist of step-by-step explanations on how to solve a problem or examples of proper writing, including the use of citations, references, bibliographies, and formatting. This material is made available for the sole purpose of studying and learning - misuse is strictly forbidden.

namespace E_Shopping
{
    public partial class About : System.Web.UI.Page
    {
       string ConnectedString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
       protected void Page_Load(object sender, EventArgs e)
       {
       }

       protected void ButtonLogin_Click(object sender, EventArgs e)
       {
            // get username
            string username = TextBoxLogin.Text;
            // clear space
            username.Trim();

            string passwd = TextBoxPassword.Text;
            string queryString = "select * from [user] where id = '" + username + "' and passwd = '" + passwd + "'";
            DataTable dt = getQuery(ConnectedString, queryString);
            if (dt.Rows.Count <= 0)
            {
                // no record matches
                return;
            }
            Session["login"] = username;
       }

       private DataTable getQuery(string ConnStr, string query)
       {

            DataTable dt = new DataTable();

            try
            {
                using (...