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; }
}