无废话版本-Asp.net MVC4.0 Rasor的基本用法

最近工作有点忙,好久没写东西了!废话不多说了,进入主题!

1.在页面中输出单一变量时候,只要在C#语句之前加上@符号即可,For example:

<p>Now Time:@DateTime.Now</p>

请注意,上述example中虽然使用C#语言撰写代码,但输出单一变量的时候,不需要加上分号;

2.在页面上输出一段含有空白字元或者运算子的结果时,必须在前后加上一个小括号,For example:

<p>

UserName:@(User.Identity.Name+Model.Member)

State        :@(ViewBag.IsEnabled?"启用":"停用")

</p>

  --前台页面

@{

    Layout = null;

}

@{

    var htmlAttribute = ViewData["Dictionary"] as IDictionary<string, object>;

}



<!DOCTYPE html>

<html>

<head>

    <meta name="viewport" content="width=device-width" />

    <title>Rasor</title>

</head>

<body>

    <h1>Rasor基本语法</h1>

    <div>

        @using (Html.BeginForm("About", "Home", FormMethod.Post, new { enctype = "multipart/form-data" }))

        {

            @Html.TextBox("Field", " ", new { type = "file", @class = "ed", size = "25" })<br />

            @Html.Password("Pwd", "", htmlAttribute)<br />

            @Html.TextBox("Email", "[email protected]", htmlAttribute)<br />

            @Html.Hidden("Hidden", "Value", htmlAttribute)<br />

            @Html.DropDownList("List",ViewData["List"] as SelectList,"请选择")

        }

    </div>

</body>

</html>

  

  后台方法:

public ActionResult Rasor()

        {

            IDictionary<string, object> attr = new Dictionary<string, object>();

            attr.Add("size","32");

            attr.Add("style","color:red");

            ViewData["Dictionary"] = attr;

            //DropdwonList的用法

            List<SelectListItem> list = new List<SelectListItem>();

            list.Add(new SelectListItem { Text="中国",Value="1"});

            list.Add(new SelectListItem { Text = "美国", Value = "2" });

            list.Add(new SelectListItem { Text = "俄国", Value = "3" });

            ViewData["List"] = new SelectList(list, "Value", "Text", "");

            return View();

        }

  

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