o_19mgorv9t13a3ko71fev19l81mqa.pdf

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.Select(x => x.Category) .Distinct() .OrderBy(x => x); "Menu"; } } } string viewName = horizontalLayout ? "MenuHorizontal" : return PartialView(viewName, categories); I have defined a new parameter for the action method that specifies the orientation, which I use to select the name of the view file passed to the PartialView method. To set the value of this parameter, I need to return to the _Layout.cshtml file, as shown in Listing 10-6. Listing 10-6. Updating the _Layout.cshtml File to Include the Horizontal Buttons ... SPORTS STORE SPORTS STORE @Html.Action("Summary", "Cart") @Html.Action("Menu", "Nav", new { horizontalLayout = true }) @Html.Action("Menu", "Nav") @RenderBody() ... The optional third argument to the Html.Action method is an object that lets me set values for the routing system, which I explain in Chapters 15 and 16. I use this feature to signal which view the controller should select. The overall effect of these changes is shown in Figure 10-6. 264
Figure 10-6. The revised product listing for small screens You can see that moving the buttons to the top of the product listing creates enough space for each product to be displayed properly. I could continue improving the fit and finish of the views, but you get the idea. Aside from a brief demonstration of how responsive CSS classes can be used, I wanted to touch upon some of the limitations that the MVC Framework imposes (such as the RenderBody method limit) and some of the facilities it can provide to assist generating content in different ways (such as passing data from a view to a controller via the routing system and the Html.Action helper method). Note I have focused on one orientation for the iPhone, but don’t forget that most mobile devices allow for multiple orientations and that you will have to cater for them all in a real project. Removing View Duplication In the previous example, I wanted to show you how you can have a controller select a view based on routing information passed by a call to the Html.Action helper method. It is an important and useful feature, but I would not have used it in a real project because it leaves me with two views, Menu.cshtml and MenuHorizontal.cshtml, that contain largely similar markup and Razor expressions. This is a maintenance risk because any changes that I require to the category filter buttons will have to be applied in two places. To resolve this I am going to consolidate the views. I created a new view file called FlexMenu.cshtml in the Views/Nav folder with the content shown in Listing 10-7. Listing 10-7. The Contents of the FlexMenu.cshtml File @model IEnumerable @{ bool horizontal = ((bool)(ViewContext.RouteData.Values["horizontalLayout"] ?? false)); string wrapperClasses = horizontal ? "btn-group btn-group-sm btn-groupjustified" : null; } 265
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Pro ASP.NET MVC 5 Adam Freeman 2
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Dedicated to my lovely wife, Jacqui
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Contents About the Author About the
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Preparing the Example Project Defin
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Chapter 9: SportsStore: Completing
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Constraining Routes Constraining a
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Using Other Filter Features Filteri
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Creating the Ajax Form Understandin
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Index 18
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About the Technical Reviewer Fabio
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What Is Wrong with ASP.NET Web Form
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storage and querying language for s
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There are some good reasons for car
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Where Can I Get the Example Code? Y
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Figure 2-1. The Visual Studio ASP.N
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Figure 2-3. The initial file and fo
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Figure 2-6. Adding a controller to
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} } } return View(); A good way of
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Figure 2-9. The MVC Framework tryin
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Visual Studio will create a file ca
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Afternoon"; } } } return View(); I
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Figure 2-14. Adding to the view HTM
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public class HomeController : Contr
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} Will you attend? @Html.DropDown
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Figure 2-18. Setting the default st
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type without needing to qualify the
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[Required(ErrorMessage = "Please en
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Figure 2-21. The validation summary
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Tip You can drag JavaScript and CSS
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expect files to be in certain locat
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RSVP @using (Html.BeginForm()) {
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Thanks body { background-colo
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CHAPTER 3 The MVC Pattern Before I
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ASP.NET MVC doesn’t apply any con
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as thinly disguised Smart UI applic
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this case PasswordResetHelper. I do
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Web server and database. Integratio
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public class AdminControllerTests {
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The drawback of TDD is that it requ
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} } } return "Navigate to a URL to
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namespace LanguageFeatures.Controll
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} set { name = value; } } } public
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The listing demonstrates how to con
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using System.Collections; using Sys
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using System.Collections.Generic; n
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public static IEnumerable FilterByC
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Products = new List { new Product {
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... In this example, myAnonType is
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public string Index() { return "Nav
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Max Min Returns the largest or smal
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usiness while the background work i
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natural syntax, but they do not cha
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} Defining the Controller I am goin
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Note Notice that I declare the view
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Figure 5-4. Creating a new layout S
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Figure 5-5. The Effect of Applying
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Figure 5-6. Adding a view that reli
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Figure 5-9. The content in the layo
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public ActionResult DemoExpression(
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The containing element has data at
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Price@Model.Price Stock Level @sw
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} else { @ViewBag.ProductCount }
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Figure 5-13. Generating elements us
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CHAPTER 6 Essential Tools for MVC I
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LinqValueCalculator to determine th
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In the sections that follow, I expl
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just fine with MVC 5. I have used t
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namespace EssentialTools.Infrastruc
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Figure 6-2. The effect of running t
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I can configure the objects that Ni
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} } The FlexibleDiscountHelper clas
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public object GetService(Type servi
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Figure 6-4. Creating the unit test
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} } } // assert Assert.AreEqual(tot
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wrong"); wrong"); wrong"); } Assert
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} } } Testing and Fixing the Code I
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Listing 6-31. The Contents of the L
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Price = 48.95M}, new Product {Name
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To summarize the example, the Objec
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This is the same behavior used in t
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CHAPTER 7 SportsStore: A Real Appli
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e included in new projects are exce
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public class NinjectDependencyResol
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Figure 7-4. Creating the Product cl
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IProductRepository interface with t
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Figure 7-5. Adding the Views/Produc
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Figure 7-6. Viewing the basic appli
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Figure 7-8. Setting up the SportsSt
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Visual Studio will display a design
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Creating the Entity Framework Conte
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private EFDbContext context = new E
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public class ProductController : Co
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A view model is not part of the dom
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... ... Every namespac
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(ProductsListViewModel)controller.L
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Figure 7-14. Displaying page naviga
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Figure 7-15. The new URL scheme dis
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} @foreach (var p in Model.Products
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Figure 7-18. Creating a partial vie
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Summary In this chapter, I built mo
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using System.Collections.Generic; u
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Assert.AreEqual(pageInfo.TotalPages
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); "", new { controller = "Product"
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} } public string Menu() { return "
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has the effect of declaring a depen
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Figure 8-3. The category links High
Page 214 and 215: Now that I am providing information
Page 216 and 217: } ... CurrentCategory = category };
Page 218 and 219: Continue Shopping button to return
Page 220 and 221: Arrange - create a new cart Cart ta
Page 222 and 223: @Model.Name @Model.Price.ToString("
Page 224 and 225: For the AddToCart and RemoveFromCar
Page 226 and 227: and the total cost for the cart. Th
Page 228 and 229: CHAPTER 9 SportsStore: Completing t
Page 230 and 231: using System.Linq; using System.Web
Page 232 and 233: public void Adding_Product_To_Cart_
Page 234 and 235: shopping I added a new column to e
Page 236 and 237: @ViewBag.Title SPORTS STORE @
Page 238 and 239: . . . This change generates a link
Page 240 and 241: @Html.TextBoxFor(x => x.Zip, new {@
Page 242 and 243: } ViewBag.Title = "SportStore: Chec
Page 244 and 245: public string Country { get; set; }
Page 246 and 247: if (emailSettings.WriteAsFile) { sm
Page 248 and 249: } } } I created an EmailSettings ob
Page 250 and 251: ViewResult result = target.Checkout
Page 252 and 253: of the SportsStore.WebUI project an
Page 254 and 255: Thanks! Thanks for placing your ord
Page 256 and 257: Figure 10-1. Displaying the SportsS
Page 258 and 259: waking moment. My advice is to acce
Page 260 and 261: case, however, I hide the standard
Page 262 and 263: Bootstrap that the div element shou
Page 266 and 267: @Html.ActionLink("Home", "List", "
Page 268 and 269: variations on the same basic theme.
Page 270 and 271: } This view uses a Razor foreach
Page 272 and 273: Figure 10-9. The effect of mobile-s
Page 274 and 275: public class AdminController : Cont
Page 276 and 277: Right-click on the Views/Admin fold
Page 278 and 279: Figure 11-3. Rendering the scaffold
Page 280 and 281: Figure 11-4. Rendering the modified
Page 282 and 283: Act Product p1 = target.Edit(1).Vie
Page 284 and 285: } } public string Category { get; s
Page 286 and 287: Figure 11-7. Displaying the editor
Page 288 and 289: Framework does know about and updat
Page 290 and 291: ActionResult result = target.Edit(p
Page 292 and 293: using System.ComponentModel.DataAnn
Page 294 and 295: Install-Package Microsoft.jQuery.Un
Page 296 and 297: Listing 11-17. Explicitly Specifyin
Page 298 and 299: Listing 11-19. Implementing Deletio
Page 300 and 301: You can see the delete feature by c
Page 302 and 303: Authentication is set
Page 304 and 305: Figure 12-1. The effect of the Auth
Page 306 and 307: namespace SportsStore.WebUI.Infrast
Page 308 and 309: the menu, set the name to Login and
Page 310 and 311: mock implementations of the IAuthPr
Page 312 and 313: Figure 12-3. Adding columns to the
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No Image } else { } @Html.Acti
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} } I have added a new parameter to
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[TestClass] public class ImageTests
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Figure 12-4. Adding an image to a p
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CHAPTER 13 Deployment The final, an
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Figure 13-2. Creating a new web sit
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Figure 13-4. The effect of creating
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); [ProductID] INT IDENTITY (1, 1)
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Figure 13-8. The Publish Web dialog
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Figure 13-10. Settings for the depl
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Figure 13-12. Previewing the deploy
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Figure 13-14. The SportsStore appli
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Figure 14-1. Selecting the project
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which packages are used by selectin
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} Or you can disable any layout for
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using System.Web.Mvc; namespace Deb
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If the debug attribute in the Web.c
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Figure 14-9. Hitting a breakpoint N
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Figure 14-11. The effect of assigni
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selecting Delete Breakpoint from th
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Figure 14-15. Enabling Edit and Con
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Figure 14-16. The effect of correct
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Figure 14-18. Selecting multiple br
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CHAPTER 15 URL Routing Before the i
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public class HomeController : Contr
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Figure 15-3. The segments in an exa
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started, which leads to the RouteCo
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namespace UrlsAndRoutes.Tests { [Te
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TestRouteMatch and TestRouteFail co
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Figure 15-5. Using default values t
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In Listing 15-12, I defined a new r
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Notice that, once again, I have pla
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Figure 15-8. Displaying the value o
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namespace UrlsAndRoutes { public cl
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... [TestMethod] public void TestIn
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Figure 15-11. The error displayed w
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"Home/{action}/{id}/{*catchall}", n
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namespace UrlsAndRoutes.Infrastruct
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Using Attribute Routing All of the
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Caution The Route attribute stops c
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} } public ActionResult List() { Vi
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... [Route("∼/Test")] ... Prefixi
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using System.Web.Routing; namespace
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Now, this may seem like a long path
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"Admin") @Html.ActionLink("This
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... Start the application again and
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ActionName The controller is: @Vi
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} For the routing in the example ap
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how outgoing URLs are generated. To
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and repeat the process. If the clas
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ActionName The controller is: @
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The MVC Framework supports organizi
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To demonstrate the way that areas i
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able to request /Admin/Home/Index a
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You do not need to take any special
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intercept requests for disk files b
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outes.Add(new Route("SayHello", new
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http://www.amazon.com/books/pro-asp
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CHAPTER 17 Controllers and Actions
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System.Web.Routing.RequestContext o
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namespace ControllersAndActions.Con
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Retrieve posted data from Request.F
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After a controller has finished pro
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public string Url { get; set; } pub
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RedirectToRouteResult Issues an HTT
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shown in this test method. using Sy
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You can send an object to the view
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Arrange - create the controller Exa
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Listing 17-20. Redirecting to a Lit
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Act - call the action method Redire
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Listing 17-24. Sending a Specific S
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CHAPTER 18 Filters Filters inject e
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} } To create the view that will ga
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} } public ViewResult Create() { //
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} } void OnAuthorization(Authorizat
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Figure 18-2. Re-prompting for crede
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[HttpPost] public ActionResult Logi
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} } public void OnAuthenticationCha
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using System.Web.Mvc; using System.
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IExceptionFilter { public void OnEx
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Figure 18-3. The default exception
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} } } } filterContext.ExceptionHand
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Figure 18-6. An exception thrown wh
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Table 18-9. HandleErrorInfo Propert
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using System.Web.Mvc; using Filters
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", } } } } string.Format("Action me
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execute the result. You can see how
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Figure 18-10. The effect of adding
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up manually with the Empty template
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I have already explained that filte
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Figure 18-14. Specifying the order
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Figure 18-15. The default filter be
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CHAPTER 19 Controller Extensibility
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} } } public ViewResult List() { re
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} public GetControllerSessionBehavi
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My implementations of the GetContro
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RouteConfig.RegisterRoutes(RouteTab
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} } You can see the effect of the c
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There are no action methods in this
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Figure 19-6. Using the method name
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[ActionName("Enumerate")] public Vi
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} } } }); I have used the ActionNam
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If you start the application and na
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Message: @Session["Message"] ... Th
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Data: @Model When you run the ap
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namespace ControllerExtensibility.C
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string viewName, string masterName,
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ModelState Returns information abou
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view) { } } public void ReleaseView
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Figure 20-2. Requesting an unsuppor
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Listing 20-10. The Contents of the
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Table 20-4. Razor View Engine Searc
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Figure 20-5. The effect of custom l
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Tip My custom view engine locations
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You can check to see if a view has
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I am going to start by creating a p
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@foreach (string str in Model) { @s
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"Pear"}) @Html.Action("Time") You c
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} In the Index action method, I pas
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Here is the message: @Model Inli
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Table 21-3. Useful Properties Defin
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troublesome string to the view as t
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Figure 21-3. Comparing how data val
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Figure 21-5. The effect of selectiv
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@model HelperMethods.Models.Person
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Note Using the helper methods to g
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Layout = "/Views/Shared/_Layout.csh
Page 572 and 573:
} This produces the following form
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... Generating the Input Element fr
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} CreatePerson @using(Html.BeginRou
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CreatePerson label { display: i
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} public class Address { public str
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@{ ViewBag.Title = "CreatePerson";
Page 584 and 585:
Notice that the elements for the Pe
Page 586 and 587:
} return View((object)message); } }
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01/01/0001 00:00:00 Although the
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.editor-field input { height: 20px;
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The value of the property (0 in thi
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[Display(Name = "Birth Date")] publ
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Url Displays the data as a URL (usi
Page 598 and 599:
} public string LastName { get; set
Page 600 and 601:
Figure 22-10. Displaying a complex
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Views/Shared/EditorTemplates folder
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CHAPTER 23 URL and Ajax Helper Meth
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.editor-label { clear: left; } .edi
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action="GetPeople"}) This view co
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Figure 23-2. A simple synchronous f
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I am now ready to start applying un
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as shown in Listing 23-10. Listing
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Setting Ajax Options I can fine-tun
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ViewBag.Title = "GetPeople"; Layout
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Figure 23-6. Prompting the user bef
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I can address this using the AjaxOp
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ole}), } }) Url = Url.Action("Get
Page 626 and 627:
Since I want to present the same da
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Figure 23-9. Working with JSON data
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using System; using System.Collecti
Page 632 and 633:
@foreach (string role in Enum.GetNa
Page 634 and 635:
public class Address { public strin
Page 636 and 637:
Figure 24-1. A simple demonstration
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for the id parameter as follows: 1.
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Figure 24-4. The effect of using a
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This view renders a simple set of l
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Role:@Html.DisplayFor(m => m.Role)
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} Submit You can see the problem if
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using System.Web.Mvc; using MvcMode
Page 650 and 651:
Listing 24-24. Using a Collection A
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... When the form is submitted, th
Page 654 and 655:
Each of the classes listed in Table
Page 656 and 657:
} } } if (ContainsPrefix(key)) { re
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Figure 24-10. The effect of the cus
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using System.Web; using System.Web.
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CHAPTER 25 Model Validation In the
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@ViewBag.Title .field-validati
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Listing 25-7. Explicitly Validating
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Figure 25-2. Errors result in highl
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... Please enter your name Please
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Figure 25-4. Displaying validation
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Figure 25-6. A validation message f
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RegularExpression Required [Require
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Figure 25-8. The error message from
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} } [MustBeTrue(ErrorMessage="You m
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name")); } if (DateTime.Now > Date)
Page 684 and 685:
Both of these settings must be true
Page 686 and 687:
The feedback is also immediate when
Page 688 and 689:
} public JsonResult ValidateDate(st
Page 690 and 691:
has provided is consistent with the
Page 692 and 693:
namespace ClientFeatures.Models { p
Page 694 and 695:
} function processResponse(appt) {
Page 696 and 697:
Figure 26-2. Disabling the browser
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undles.Add(new StyleBundle("∼/Con
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... You won’t need to do this i
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Figure 26-4. Profiling with bundles
Page 704 and 705:
CHAPTER 27 Web API and Single-page
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ReservationRepository.cs to the Mod
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} return RedirectToAction("Index");
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The view model for the partial vie
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elated actions, and makes creating
Page 714 and 715:
This time, the Web API controller h
Page 716 and 717:
using System.Collections.Generic; u
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}; function sendAjaxRequest(httpMet
Page 720 and 721:
Underpinning the Ajax functions is
Page 722 and 723:
Figure 27-3. Monitoring the connect
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... function removeItem(item) { sen
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Client Name Location Save }
Page 728 and 729:
Simplify the Home Controller The Ho
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Remove Create Create Rese
Page 732 and 733:
Index A Account Controller contents
Page 734 and 735:
BeginForm and BeginRoute Form metho
Page 736 and 737:
Custom dependency resolver contents
Page 738 and 739:
table data script button SQL statem
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uilt-In form (see Built-in form hel
Page 742 and 743:
Razor expression shared View Start
Page 744 and 745:
PartyInvites routing system Solutio
Page 746 and 747:
O OnActionExecuted method action fi
Page 748 and 749:
accessing ways context objects acti
Page 750 and 751:
summary, cart definition cart and c
Page 752 and 753:
whole-model templated helpers Test-
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