protected void Page_Load(object sender, EventArgs e)
        {
            var context = new NorthwindEntities();

            RepeaterEmployees.DataSource = context.Employees.ToList();
            RepeaterEmployees.DataBind();
        }
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                NorthwindEntities context = new NorthwindEntities();
                var employees             = context.Employees.Select(x => new
                {
                    Id        = x.EmployeeID,
                    FirstName = x.FirstName,
                    LastName  = x.LastName,
                }).ToList();

                GridViewEmployees.DataSource = employees;
                GridViewEmployees.DataBind();

                RepeaterEmployees.DataSource = context.Employees.ToList();
                RepeaterEmployees.DataBind();

                ListViewEmployees.DataSource = context.Employees.ToList();
                ListViewEmployees.DataBind();
            }
        }