Html.BeginForm

该方法用于构建一个From表单的开始，他的构造方法为：
Html.BeginForm（"ActionName","ControllerName",FormMethod.method）

例如：

 @using (Html.BeginForm("Index", "Home", FormMethod.Get, new { name = "nbform", id = "nbform" }))

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

     {

        <text>选择上传文件：（工作表名为“Sheet1”，“电脑号”在A1单元格。）</text>

        <input name="file" type="file" id="file" />

        <input type="submit" name="Upload" value="批量导入第一批电脑派位名册" />

    }

让请求地址不带id

@using (Html.BeginForm("AddDIYBillOfLading", "BillOfLading", new { id ="" }, FormMethod.Post, new { name = "myform", id = "myform" }))

Section、Partial View 和 Child Action 参考：http://www.cnblogs.com/willick/p/3410855.html

右击Index方法，添加视图，编辑该视图如下：

@model string[] 

@{

    ViewBag.Title = "Index";

} 

@section Header {

    <div class="view">

        @foreach (string str in new [] {"Home", "List", "Edit"}) {

            @Html.ActionLink(str, str, null, new { style = "margin: 5px" })

        }

    </div>

}

<div class="view">

    This is a list of fruit names:

    @foreach (string name in Model) {

        <span><b>@name</b></span>

    }

</div>

@section Footer {

    <div class="view">

        This is the footer

    </div>

}

编辑 /Views/Shared/_Layout.cshtml 文件如下：

<!DOCTYPE html>

<html>

<head>

    <meta charset="utf-8" />

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

    <style type="text/css">

        div.layout { background-color: lightgray;}

        div.view { border: thin solid black; margin: 10px ;}

    </style>

    <title>@ViewBag.Title</title>

</head>

<body>

    @RenderSection("Header") 

    <div class="layout">

        This is part of the layout

    </div> 

    @RenderBody() 

    <div class="layout">

        This is part of the layout

    </div>

    @RenderSection("Footer")

<div class="layout">

        This is part of the layout

    </div>

</body>

</html>

section只能在当前View或它的Layout中被调用。@RenderSection方法没有找到参数指定的section会抛异常，如果不确定section是否存在，则需要指定第二个参数的值为false，如下：

...

@RenderSection("scripts", false)

...

我们还可以通过 IsSectionDefined 方法来判断一个section是否被定义或在当前View中是否能调用得到，如：

...

@if (IsSectionDefined("Footer")) {

    @RenderSection("Footer")

} else {

    <h4>This is the default footer</h4>

}

...

巴特西

Html.BeginForm

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