Introduction to ASP.NET MVC

Introducing the ASP.NET MVC framework Maarten Balliauw – Real Dolmen Website: www.realdolmen.com E-mail: [email_address] Blog: http://blog.maartenballiauw.be

AGENDA ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MVC – MODEL-VIEW-CONTROLLER ,[object Object],[object Object],[object Object],[object Object]

ASP.NET MVC ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

WHAT YOU WILL LOSE… ,[object Object],[object Object],[object Object]

HOW IT WORKS… Browser Web Server http://myserver.com/Products/Edit/5 http://myserver.com/Products/

INTERACTIONS /Products/Edit/5 ProductsController (Controller) /Products/Update/5 URL:

WHAT’S THE POINT? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

GOALS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DRIVING GOALS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

REQUEST LIFECYCLE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ACTUALLY, THERE’S MORE… You can replace each step of the process!

ROUTING – PRETTY URLS ,[object Object],[object Object],[object Object],public static void RegisterRoutes(RouteCollection routes) { routes.MapRoute( "Default "{controller}/{action}/{id}", new { controller = "Home", action = "Index", id = "" }, new { controller = @"[^]*" } ); }

CUSTOM URL ROUTING ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

EXTENSIBILITY ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

VIEWENGINE, VIEW ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],public abstract class VirtualPathProviderViewEngine : IViewEngine { protected abstract IView CreatePartialView(...); protected abstract IView CreateView(…); } public interface IView { void Render(ViewContext viewContext, TextWriter writer); }

NHAML – FROM… <%@ Page Language="C#" MasterPageFile="~/Views/Shared/Site.Master" AutoEventWireup="true" CodeBehind="List.aspx" Inherits="MvcApplication5.Views.Products.List" Title="Products" %> <asp:Content ContentPlaceHolderID="MainContentPlaceHolder" runat="server"> <h2><%= ViewData.CategoryName %></h2> <ul> <% foreach (var product in ViewData.Products) { %> <li> <%= product.ProductName %> <div class="editlink"> (<%= Html.ActionLink("Edit", new { Action="Edit", ID=product.ProductID })%>) </div> </li> <% } %> </ul> <%= Html.ActionLink("Add New Product", new { Action="New" }) %> </asp:Content>

NHAML – TO… ,[object Object],%h2= ViewData.CategoryName %ul - foreach (var product in ViewData.Products) %li = product.ProductName .editlink = Html.ActionLink("Edit", new { Action="Edit", ID=product.ProductID }) = Html.ActionLink("Add New Product", new { Action="New" })

SPARK – FROM… <%@ Page Language="C#" MasterPageFile="~/Views/Shared/Site.Master" AutoEventWireup="true" CodeBehind="List.aspx" Inherits="MvcApplication5.Views.Products.List" Title="Products" %> <asp:Content ContentPlaceHolderID="MainContentPlaceHolder" runat="server"> <h2><%= ViewData.CategoryName %></h2> <ul> <% foreach (var product in ViewData.Products) { %> <li> <%= product.ProductName %> <div class="editlink"> (<%= Html.ActionLink("Edit", new { Action="Edit", ID=product.ProductID })%>) </div> </li> <% } %> </ul> <%= Html.ActionLink("Add New Product", new { Action="New" }) %> </asp:Content>

SPARK – TO… ,[object Object],<viewdata model="MvcApplication5.Models.Product“/> <h2>${ViewData.CategoryName}</h2> <ul> <for each="var product in ViewData.Products"> <li> ${product.ProductName} <div class="editlink"> (<a href="/Products/Edit/${product.ProductID}">Edit</a>) </div> </li> </for> </ul> <a href="/Products/New">Add New Product</a>

FILTER ATTRIBUTES ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TESTING ,[object Object],[object Object],[object Object]

INTERFACES AND TESTING ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TESTING CONTROLLER ACTIONS ,[object Object],[object Object],[object Object],[object Object],[TestMethod] public void ShowPostsDisplayPostView() { BlogController controller = new BlogController(…); var result = controller.ShowPost(2) as ViewResult; Assert.IsNotNull(result); Assert.AreEqual(result.ViewData[ " Message " ], " Hello " ); }

TESTING CONTROLLER ACTIONS USING MOQ [TestMethod] public void TestInvalidCredentials() { LoginController controller = new LoginController(); var mock = new Mock<System.Web.Security.MembershipProvider>(); mock.Expect(m => m.ValidateUser("", "")).Returns(false); controller.MembershipProviderInstance = mock.Object; var result = controller.Authenticate("", "") as ViewResult; Assert.IsNotNull(result); Assert.AreEqual(result.ViewName, "Index"); Assert.AreEqual(controller.ViewData["ErrorMessage"], "Invalid credentials! Please verify your username and password."); }

TESTING FRAMEWORKS ,[object Object],[object Object],[object Object],[object Object],[object Object]

SUMMARY ,[object Object],[object Object],[object Object],[object Object],[object Object]

COMMON QUESTIONS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Introduction to ASP.NET MVC

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