假设我有一个类
public class ItemController:Controller
{
public ActionResult Login(int id)
{
return View("Hi", id);
}
}
在ItemController所在的Item文件夹之外的页面上，我想创建一个指向Login方法的链接。所以是哪种Html。我应该使用ActionLink方法，我应该传递什么参数?
具体来说，我正在寻找替代的方法
Html.ActionLink(article.Title,
new { controller = "Articles", action = "Details",
id = article.ArticleID })
在最近的ASP中已经退役。NET MVC的化身。
当前回答
这个呢
<%=Html.ActionLink("Get Involved",
"Show",
"Home",
new
{
id = "GetInvolved"
},
new {
@class = "menuitem",
id = "menu_getinvolved"
}
)%>
其他回答
这种类型使用:
@Html.ActionLink（“主页”，“索引”，“主页”）
MainPage:文本的名称 索引:动作视图 Home: homeecontroller
基本使用ActionLink
<html> <head> <meta name="viewport" content="width=device-width" /> <title>_Layout</title> <link href="@Url.Content("~/Content/bootsrap.min.css")" rel="stylesheet" type="text/css" /> </head> <body> <div class="container"> <div class="col-md-12"> <button class="btn btn-default" type="submit">@Html.ActionLink("AnaSayfa","Index","Home")</button> <button class="btn btn-default" type="submit">@Html.ActionLink("Hakkımızda", "Hakkimizda", "Home")</button> <button class="btn btn-default" type="submit">@Html.ActionLink("Iletişim", "Iletisim", "Home")</button> </div> @RenderBody() <div class="col-md-12" style="height:200px;background-image:url(/img/footer.jpg)"> </div> </div> </body> </html>
您可能想看看RouteLink()方法。它允许您通过字典指定所有内容(除了链接文本和路由名称)。
Html.ActionLink(article.Title, "Login/" + article.ArticleID, 'Item")
如果你想要花哨的裤子，下面是你如何扩展它来做到这一点:
@(Html.ActionLink<ArticlesController>(x => x.Details(), article.Title, new { id = article.ArticleID }))
你需要把它放在System.Web.Mvc命名空间中:
public static class MyProjectExtensions
{
public static MvcHtmlString ActionLink<TController>(this HtmlHelper htmlHelper, Expression<Action<TController>> expression, string linkText)
{
var urlHelper = new UrlHelper(htmlHelper.ViewContext.RequestContext, htmlHelper.RouteCollection);
var link = new TagBuilder("a");
string actionName = ExpressionHelper.GetExpressionText(expression);
string controllerName = typeof(TController).Name.Replace("Controller", "");
link.MergeAttribute("href", urlHelper.Action(actionName, controllerName));
link.SetInnerText(linkText);
return new MvcHtmlString(link.ToString());
}
public static MvcHtmlString ActionLink<TController, TAction>(this HtmlHelper htmlHelper, Expression<Action<TController, TAction>> expression, string linkText, object routeValues)
{
var urlHelper = new UrlHelper(htmlHelper.ViewContext.RequestContext, htmlHelper.RouteCollection);
var link = new TagBuilder("a");
string actionName = ExpressionHelper.GetExpressionText(expression);
string controllerName = typeof(TController).Name.Replace("Controller", "");
link.MergeAttribute("href", urlHelper.Action(actionName, controllerName, routeValues));
link.SetInnerText(linkText);
return new MvcHtmlString(link.ToString());
}
public static MvcHtmlString ActionLink<TController>(this HtmlHelper htmlHelper, Expression<Action<TController>> expression, string linkText, object routeValues, object htmlAttributes) where TController : Controller
{
var urlHelper = new UrlHelper(htmlHelper.ViewContext.RequestContext, htmlHelper.RouteCollection);
var attributes = AnonymousObjectToKeyValue(htmlAttributes);
var link = new TagBuilder("a");
string actionName = ExpressionHelper.GetExpressionText(expression);
string controllerName = typeof(TController).Name.Replace("Controller", "");
link.MergeAttribute("href", urlHelper.Action(actionName, controllerName, routeValues));
link.MergeAttributes(attributes, true);
link.SetInnerText(linkText);
return new MvcHtmlString(link.ToString());
}
private static Dictionary<string, object> AnonymousObjectToKeyValue(object anonymousObject)
{
var dictionary = new Dictionary<string, object>();
if (anonymousObject == null) return dictionary;
foreach (PropertyDescriptor propertyDescriptor in TypeDescriptor.GetProperties(anonymousObject))
{
dictionary.Add(propertyDescriptor.Name, propertyDescriptor.GetValue(anonymousObject));
}
return dictionary;
}
}
这包括两个覆盖的路由值和HTML属性，而且，你所有的视图将需要添加:@using YourProject。控制器或者你可以把它添加到你的网页。配置<页> <名称>
我认为Joseph翻转了控制器和动作。首先是动作，然后是控制器。这个签名看起来有点奇怪。
为了澄清一些事情，这是一个有效的版本(改编自约瑟夫的例子):
Html.ActionLink(article.Title,
"Login", // <-- ActionMethod
"Item", // <-- Controller Name
new { id = article.ArticleID }, // <-- Route arguments.
null // <-- htmlArguments .. which are none
)
