Bind Data from DataBase to HTML Table in ASP.NET

ShowRecordsUsingHtmlTable.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ShowRecordsUsingHtmlTable.aspx.cs" Inherits="JtableExample.ShowRecordsUsingHtmlTable" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html
    xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <title></title>
    </head>
    <body>
        <form id="form1" runat="server">
            <div>
                <table id="studentTable" width="100%" align="center" cellpadding="2" cellspacing="2" border="0" bgcolor="#EAEAEA" >
                    <tr align="left" style="background-color:#004080;color:White;" >
                        <td>StudentId</td>
                        <td>Name </td>
                        <td>EmailAddress</td>
                        <td>Gender</td>
                    </tr><%=getStudentData()%>
                </table>
            </div>
        </form>
    </body>
</html>

ShowRecordsUsingHtmlTable.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Configuration;
using System.Data.SqlClient;
using System.Data;
namespace JtableExample
{
    public partial class ShowRecordsUsingHtmlTable: System.Web.UI.Page {
        string connectionString = ConfigurationManager.ConnectionStrings["Scon"].ConnectionString;
        protected void Page_Load(object sender, EventArgs e)
        {   }
        public string getStudentData()
        {
            string data = "";
            using(SqlConnection conn = new SqlConnection(connectionString))
            {
                using(SqlCommand cmd = new SqlCommand())
                {
                    cmd.Connection = conn;
                    cmd.CommandType = CommandType.StoredProcedure;
                    cmd.CommandText = "UspGetStudents";
                    cmd.Connection.Open();
                    using(SqlDataReader sqlRdr = cmd.ExecuteReader())
                    {
                        // table = new DataTable();
                        // table.Load(reader);
                        if (sqlRdr.HasRows)
                        {
                            while (sqlRdr.Read())
                            {
                                int studentId = sqlRdr.GetInt32(0);
                                string Name = sqlRdr.GetString(1);
                                string EmailAddress = sqlRdr.GetString(2);
                                string Gender = sqlRdr.GetString(3);
                                data += "<tr><td>" + studentId + "</td><td>" + Name + "</td><td>" + EmailAddress + "</td><td>" + Gender + "</td></tr>";
                            }
                        }
                    }
                }
                return data;
            }
        }
    }
}

Web.config

<configuration>
    <connectionStrings>
        <add name="Scon" connectionString="Data Source=machineName; Initial Catalog=databaseName;Integrated Security=SSPI"/>
    </connectionStrings>
    <system.web>
        <compilation debug="true" targetFramework="4.0" />
    </system.web>
</configuration>