ADO Database ASP.Net

File: Employee.cs
using System.Collections.Generic;
using System.Linq;
using System.Data.Linq;
    public class Employee
    {
        public string _firstName;
        public string _lastName;
        public bool _retired;
        public string FirstName
        {
            get { return _firstName; }
        }
        public string LastName
        {
            get { return _lastName; }
        }
        public bool Retired
        {
            get { return _retired; }
        }
        public Employee(string firstName, string lastName, bool retired)
        {
            _firstName = firstName;
            _lastName = lastName;
            _retired = retired;
        }
        public static IEnumerable Select()
        {
            EmployeesDataContext db = new EmployeesDataContext();
            return db.Employees.OrderBy( e=>e.LastName );
        }        
    }
File: Default.aspx
<%@ Page Language="C#" %>
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">


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            id="grdEmployees"
        DataSourceID="srcEmployees"
        runat="server" />
            id="srcEmployees"
        TypeName="Employee"
        SelectMethod="Select"
        Runat="server" />