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@Html.ActionLink("连接文本", "视图名")   @*默认当前控制器*@
@Html.ActionLink("连接文本", "视图名", "控制器名")
@Html.ActionLink("连接文本", "视图名", new { id = 123, page = 5 })   @*第三个参数是使用URL传值*@

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@using (Html.BeginForm("视图名", "控制器名", FormMethod.Get))
{
    <fieldset>
        <legend>表单</legend>
        <p>姓名：@Html.TextBox("id的值和name的值", "value的值", new { @class = "样式名", @Name = "Name", Value = "", Id = "Namw" })</p>   @*new{}这个参数可以在里面通过@+Html的属性，更改产生的Html的属性值,使用,隔开*@
        <p>密码：@Html.Password("Password", "", new { @class = "样式名" })</p>
        <p>性别：@Html.RadioButton("rad1", 0, true, new { @Name = "132" }) 男 @Html.RadioButton("rad1", 0, new { @Name = "132" }) 女 </p>
        <p>爱好：@Html.CheckBox("chk1", "游泳") 游泳 @Html.CheckBox("chk2", "音乐") 音乐 </p>
        <p>
            职业：@Html.DropDownList("sell", new SelectListItem[] {

                new SelectListItem { Text = "启用", Value = "0",Selected=true},   //第三个参数是是否为默认选中

                new SelectListItem { Text = "禁用", Value = "1" } })   @*第二个参数放集合，例如控制器ViewData["sell"]放了集合数据，前端可以ViewData["sell"] as SelectList*@
        </p>
        <p>
            备注：
            <br />
            @Html.TextArea("area1", "Input data", 5, 30, null)   @*行，列*@
        </p>   
    </fieldset> 
}

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        @Html.Partial("_top")   @*在其他视图中加上上述代码皆可引用*@

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;

namespace Demo6
{
    public static class CustomHtmlHelpers
    {
        /// <summary>
        /// 呈现ul标签
        /// </summary>
        /// <param name="html">1</param>
        /// <param name="listItems">2</param>
        /// <returns>3</returns>
        public static MvcHtmlString List(this HtmlHelper html, string[] listItems)   //第一个参数表示为扩展的HTML辅助方法，属于HtmlHelper对象
        {
            TagBuilder tag = new TagBuilder("ul");
            foreach (string item in listItems)
            {
                TagBuilder itemTag = new TagBuilder("li");
                itemTag.SetInnerText(item);
                tag.InnerHtml += itemTag.ToString();
            }
            return new MvcHtmlString(tag.ToString());
        }
    }
}

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@using Demo6   @*先引用命名空间*@
@Html.List(new string[] {"1","2"});