ASP.NET MVC3數據綁定到VIEW的方式

1、???? 指定頁面數據的強類型Module

數據類型是強類型，編譯時報錯，運行效率高

Action:

????? public ActionResult Index()

????? {

??????? var _instructors = new List<Instructor>(

?????????? new Instructor[]

?????????? {

????????????? new Instructor

????????????? {

???????????????? Name = "Nimane1",

???????????????? TwitterHandler = "@fasdd",

???????????????? HtmlDescription = "This"

????????????? }

????????????? , new Instructor

????????????? {

???????????????? Name = "Nimane2",

???????????????? TwitterHandler = "@fasdd",

???????????????? HtmlDescription = "This"

????????????? }

?????????? }

??????? );

??????? ViewBag.Message = "Welcome to ASP.NET MVC!";

??????? return this.View(_instructors);

????? }

View:

@using MvcApplication1.Models

@model IEnumerable<Instructor>

@{

? ??ViewBag.Title = "Index";

??? Layout = "~/Views/Shared/_Layout.cshtml";

}

<h2>@ViewBag.Message</h2>

<div>

??? @foreach (var item in Model)

??? {

??????? @Html.Partial("InstructorView", item)

??? }

</div>

InstructorView:

@model MvcApplication1.Models.Instructor

<fieldset>

??? <legend>Instructor</legend>

??? <div class="display-label">

??????? Name</div>

??? <div class="display-field">

??????? @Model.Name

??? </div>

??? <div class="display-label">

??????? TwitterHandler</div>

??? <div class="display-field">

??????? @Model.TwitterHandler

??? </div>

??? <div class="display-label">

??????? HtmlDescription</div>

??? <div class="display-field">

??????? @Html.Raw(@Model.HtmlDescription)</div>

</fieldset>

<p>

??? @Html.ActionLink("Edit", "Edit", new { })

??? @Html.ActionLink("Back to list", "Index")

</p>

2、???? 使用ViewData綁定到頁面

數據類型是object，運行時報錯，在 頁面中需要對數據進行顯示轉換，運行效率低

Action：

????? public ActionResult ViewData ()

????? {

??????? List<string> colors = new List<string>(

?????????? new string[]

?????????? {

????????????? "red","green","blue"

?????????? }

??????? );

?

??????? ViewData["listColors"] = colors;

??????? ViewData["dateNow"] = DateTime.Now;

??????? ViewData["name"] = "Nicoles";

??????? ViewData["age"] = 24;

?

??????? return this.View();

????? }

View：

??? <div>

??????? <p>section for viewdata display:</p>

??????? <p>my name is :

??????????? <b>@ViewData["name"]</b>

??????????? <b>@ViewData["age"]</b> years old.

??????????? <br/>

??????????? I like the colors:

??????? </p>

??????? <ul id="colors">

??????????? @foreach (var color in ViewData["listColors"] as List<string>)

??????????? {

??????????????? <li>

??????????????????? <font color="@color">@color</font>

??????????????? </li>

??????????? }

??????????? <li></li>

??????? </ul>

??? </div>

3、???? 使用ViewBag綁定到頁面

數據類型是dynamic，運行時報錯，運行效率中

????? public ActionResult ViewBag()

????? {

??????? List<string> colors = new List<string>(

?????????? new string[]

?????????? {

????????????? "red","green","blue"

?????????? }

??????? );

??????? ViewBag.ListColors = colors;

??????? ViewBag.DateNow = DateTime.Now;

??????? ViewBag.Name = "Nicoles";

??????? ViewBag.Age = 24;

??????? return this.View();

????? }

View:

<div>

??????? <p>section for viewbag display:</p>

??????? <p>my name is :

??????????? <b>@ViewBag.Name</b>

??????????? <b>@ViewBag.Age</b> years old.

??????????? <br/>

??????????? I like the colors:

??????? </p>

??????? <ul id="colors_a">

??????????? @foreach (var color in @ViewBag.ListColors)

??????????? {

??????????????? <li>

??????????????????? <font color="@color">@color</font>

??????????????? </li>

??????????? }

??????????? <li></li>

??????? </ul>

??? </div>

?

?

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