Enterprise Application Architecture with LINQ to SQL

using System;
using System.Linq;
using System.Collections.Generic;
using System.Text;
using Northwind.Presentation;
using Northwind.Data.DTO;

namespace Northwind.Presentation.ViewInterfaces
{
    /// <summary>
    /// Defines a READ contract for customers
    /// </summary>
    public interface IViewCustomerListing : IView<ListCustomersPresenter, Customer>
    {
        bool IsPagingEnabled { get; } 
        int PageSize { get; set; }
        int CurrentPageIndex { get; set; }
        string SortPropertyName { get; set; }
        string PrevSortPropertyName { get; set; }
        bool SortAscending { get; set; }
        int TotalCustomers { get; set; }

    }
}