MVC中View界面数据呈现示例

@using System.Text;
@model List<MvcShopping.Models.ProductCategory>
@{
    ViewBag.Title = "测试程序"; 
}
<br />接收控制器传递的数据 @ViewBag.UserName
<br />显示Model的名称:@Html.DisplayNameFor(model => model[0])
<br />现在时间:@DateTime.Now
<br />启用状态:@ViewBag.Title
<br />多行C#代码
@{
    var name = "小李";
    var message = "你好,我是" + name;
    <text>                  @*注释:不输入任何HTML标签*@
       @message <br/>       @*这是注释部分不显示*@
    </text>
    <span>我是小王</span><br/>
    <text>
          xiaoli@126.com
    </text>
    @ViewBag.Content;       @*没有也不会报错*@
}

<br/>html内容和Razor混排:
@ViewBag.Title李琳<br/>     @*直接当C#语法执行,不显示也不换行*@
@(ViewBag.Title)李小玲<br />     @*加括号后智能识别,且换行,*@
<span>@ViewBag.Title</span>李梅<br />

输出html标签元素
@{
    var desc = "<span style='color:red'>这是HTML标签</span>";
    @desc   @*显示    <span style='color:red'>这是HTML标签</span>*@
    <br/>
    @Html.Raw(desc); @*显示红色字体“这是HTML标签”*@
}

@*条件判断语句*@
@if (ViewBag.Content == null)                 
{
    <p>无此对象</p>
}
else
{
    <p>有这个对象</p>
}
三元表达式:@(ViewBag.Content == null ? "无" : "有")

循环显示数据列表:
<ul>
    @{
        @*混合示例*@
        <h3>成员列表</h3>
        string[] peoples = { "will", "jame", "robin" };
        foreach (var item in peoples)
        {
            <li>@item</li>
        }
    }
    @foreach (var item in Model)
    {
        <li>@Html.DisplayNameFor(model => item.Name)</li>
        <li>@Html.ActionLink(item.Name, "ProductList", new { id = item.Id })</li>
    }
</ul>

辅助方法(可以新建类文件引用):
@helper ShowYesOrNo(int i)
{
        if (i==0)
        {
            <text>否</text>
        }
        else
        {  
            <text>是</text>
        }
}
<p>
    引用方法
    @ShowYesOrNo(1)
</p>

自定义函数(可以新建类文件引用):
@functions
{
    public static string ShowYN(int i)
    {
        var str=(i==0)?"否":"是";
        return str;
    }
}
<p>
    引用方法
    @ShowYN(1)
</p>

<p>
    HTML辅助方法区
    @Html.ActionLink("链接文字", "ActionName")    <br />
    @Html.ActionLink("链接文字", "ActionName", "ControllerName")    <br />
    @Html.ActionLink("链接文字", "ActionName", new { id = 123, page = 5 })    <br />
    <a href="@Url.Action("ActionName")" class="linkButton">图片</a>   <br />

    @Html.RouteLink("回首页", new { type = "default" })    <br />
    @Html.RouteLink("回首页", "Default", new { type = "index" })   --对应路由 <br />
    @Html.RouteLink("回首页", new { type = "default" }, new { @class = "back" })    <br />
</p>

<p>
    输出表单<br />
    @using (Html.BeginForm("ActionName","ControllerName",FormMethod.Post))
    {
        <p>账号:@Html.TextBox("Account","张三")</p>
        <p>密码:@Html.Password("pwd")</p>
        @*添加自定义元素控制 可控制style,width,class等*@
        <p>验证码:@Html.TextArea("code", "authcode", new { style = "100px;", rows = 10, @class = "taclass" })</p>
        <input type="submit" value="登录"/>
    }
</p>

<p>
    输出表单上传文件<br />
    @using (Html.BeginForm("ActionName", "ControllerName", FormMethod.Post,
        new { enctype = "multipart/form-data" })) 
    {
        <p>选择文件:@Html.TextBox("File1", "", new { type = "file", size = "25" })</p>
        <input type="submit" value="上传文件" />
    }
</p>

<p>
    输出表单上传文件<br />
    @using (Html.BeginForm("ActionName", "ControllerName", FormMethod.Post,
        new { enctype = "multipart/form-data" }))
    {
         <p>选择文件:@Html.TextBox("File1", "", new { type = "file", size = "25" })</p>
        <input type="submit" value="上传文件" />
    }
</p>
<p>
    模拟HTTP delete请求,符合REST接口请求标准<br />
    @using (Html.BeginForm("DeleteMessage", "Message"))
    {
        @Html.HttpMethodOverride(HttpVerbs.Delete)
        @Html.Hidden("id","123");
        <input type="submit" value="删除此数据" />
    }
</p>

原文地址:https://www.cnblogs.com/smartsmile/p/6234084.html