ASP.NET MVC2 in Action 读书笔记 [1]

Chapter01:

1). GuestBook

Index.aspx:

<form method="post" action="/GuestBook/Sign">
    <fieldset>
        <legend>Guest Book</legend>

        <%= Html.Label("Name") %>
        <%= Html.TextBox("Name") %>

        <%= Html.Label("Email") %>
        <%= Html.TextBox("Email") %>

        <%= Html.Label("Comments") %>
        <%= Html.TextArea("Comments", new { rows=6, cols=30 }) %>

        <div>
        <input type="submit" value="Sign" />
        </div>
    </fieldset>
    </form>

ThankYou.aspx:

<h2>Thank You!</h2>
    <p>Thank you for signing the guest book!  You entered:</p>
    Name: <%= ViewData["name"] %><br />
    Email: <%= ViewData["email"] %><br />
    Comments: <i><%= ViewData["comments"] %></i>

GuestBookController.cs:

public class GuestBookController : Controller
    {
        public ActionResult Index()
        {
            return View();
        }

        public ActionResult Sign(string name, string email, string comments)
        {
            //do something with the values, such as send an email

            ViewData["name"] = name;
            ViewData["email"] = email;
            ViewData["comments"] = comments;

            return View("ThankYou");
        }
    }

2).GuestBookWithModel

Index.aspx:

<h2>Sign the Guest Book!</h2>

    <% using (Html.BeginForm()) {%>

        <fieldset>
            <legend>Fields</legend>
            <p>
                <%= Html.LabelFor(model => model.Name) %>
                <%= Html.TextBoxFor(model => model.Name) %>
            </p>
            <p>
                <%= Html.LabelFor(model => model.Email) %>
                <%= Html.TextBoxFor(model => model.Email) %>
            </p>
            <p>
                <%= Html.LabelFor(model => model.Comments) %>
                <%= Html.TextAreaFor(model => model.Comments) %>
            </p>
            <p>
                <input type="submit" value="Create" />
            </p>
        </fieldset>

    <% } %>

ThankYou.aspx:

<h2>Thank You!</h2>

    Thank you for signing our Guest Book.  You entered: <br />

    <%= Html.DisplayForModel() %>

GuestBookController.cs:

public class GuestBookController : Controller
    {
        public ActionResult Index()
        {
            var model = new GuestBookEntry();
            return View(model);
        }

        [HttpPost]
        public ActionResult Index(GuestBookEntry entry)
        {
            //hang on to the submitted value, so we can
            //retrieve it upon redirect
            TempData["entry"] = entry;
            return RedirectToAction("ThankYou");
        }

        public ActionResult ThankYou()
        {
            if(TempData["entry"] == null)
            {
                //somehow they got here without filling out the form
                return RedirectToAction("index");
            }

            var model = (GuestBookEntry) TempData["entry"];
            return View(model);
        }
    }

GuestBookEntry.cs:

public class GuestBookEntry
    {
        public string Name { get; set; }
        public string Email { get; set; }
        public string Comments { get; set; }
    }