using System; using System.Web.UI; using MvpSample.Core.Domain; using MvpSample.Presenters; using MvpSample.Presenters.ViewInterfaces; public partial class Views_EditCustomerView : UserControl, IEditCustomerView { /// <summary> /// Provides a means for setting/retrieving the <see cref="Customer" /> to be updated. /// Arguably, you could just pass primitives back and forth instead of having the view /// be bound to the domain layer...but passing primitives could become quite painful /// very quickly. IMO, the benefits of brevity outweigh the "disadvantages" of /// being dependent on the domain layer. /// </summary> public Customer CustomerToUpdate { get { Customer updatedCustomer = new Customer(txtCompanyName.Text); updatedCustomer.ID = hidCustomerID.Value; updatedCustomer.ContactName = txtContactName.Text; return updatedCustomer; } set { if (value == null) throw new ArgumentNullException("CustomerToUpdate may not be null"); hidCustomerID.Value = value.ID; lblCustomerID.Text = value.ID; txtCompanyName.Text = value.CompanyName; txtContactName.Text = value.ContactName; grdOrders.DataSource = value.Orders; grdOrders.DataBind(); } } public void AttachPresenter(EditCustomerPresenter presenter) { this.presenter = presenter; } protected void btnUpdate_OnClick(object sender, EventArgs e) { // Instead of having the presenter grab the updated customer via the CustomerToUpdate's getter, // you could also pass the updated Customer directly to the UpdateCustomer method. I prefer // the consistency of using the getter/setter pair. presenter.UpdateCustomer(Page.IsValid); } protected void btnCancel_OnClick(object sender, EventArgs e) { presenter.CancelUpdate(); } private EditCustomerPresenter presenter; }
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