http://snippets.dzone.com/posts Sun, 18 May 2008 12:48:09 GMT DZone Snippets: designpatterns code http://snippets.dzone.com/posts/show/2541 Adapted from code supporting article at http://msdn.microsoft.com/msdnmag/issues/06/08/DesignPatterns/default.aspx <br /> <br /><code> <br />public partial class ViewCustomers : System.Web.UI.Page, IViewCustomerView <br />{ <br /> private ViewCustomerPresenter presenter; <br /> <br /> protected override void OnInit(EventArgs e) <br /> { <br /> base.OnInit(e); <br /> presenter = new ViewCustomerPresenter(this); <br /> this.customerDropDownList.SelectedIndexChanged += delegate <br /> { <br /> presenter.DisplayCustomerDetails(); <br /> }; <br /> } <br /> <br /> // ... <br />} <br /> <br />public class ViewCustomerPresenter <br />{ <br /> private readonly IViewCustomerView view; <br /> private readonly ICustomerTask task; <br /> <br /> public ViewCustomerPresenter(IViewCustomerView view) : this(view, new CustomerTask()) {} <br /> <br /> public ViewCustomerPresenter(IViewCustomerView view, ICustomerTask task) <br /> { <br /> this.view = view; <br /> this.task = task; <br /> } <br /> <br /> public void DisplayCustomerDetails() <br /> { <br /> int? customerId = SelectedCustomerId; <br /> <br /> if (customerId.HasValue) <br /> { <br /> CustomerDTO customer = task.GetDetailsForCustomer(customerId.Value); <br /> UpdateViewFrom(customer); <br /> } <br /> } <br /> <br /> private void UpdateViewFrom(CustomerDTO customer) <br /> { <br /> view.CompanyName = customer.CompanyName; <br /> view.ContactName = customer.ContactName; <br /> view.ContactTitle = customer.ContactTitle; <br /> view.Address = customer.Address; <br /> view.City = customer.City; <br /> view.Region = customer.Region; <br /> view.Country = customer.CountryOfResidence.Name; <br /> view.Phone = customer.Phone; <br /> view.Fax = customer.Fax; <br /> view.PostalCode = customer.PostalCode; <br /> } <br /> <br /> <br /> <br /> // ... <br />} <br /> <br />public class CustomerTask : ICustomerTask <br />{ <br /> ... <br />} <br /></code> Tue, 05 Sep 2006 01:22:40 GMT http://snippets.dzone.com/posts/show/2541 hjnntaao (hjnntaao) http://snippets.dzone.com/posts/show/2534 <code> <br />public interface IDomainObject <br />{ <br /> int Id{get;} <br />} <br /></code> Tue, 05 Sep 2006 00:51:43 GMT http://snippets.dzone.com/posts/show/2534 hjnntaao (hjnntaao)