[英]How can I initialize jsTree on a dynamically loaded ASP.NET MVC Partial View that is called via an Ajax.ActionLink
我想创建一个使用jsTree( http://www.jstree.com )的ASP.NET MVC 5应用程序。 我正在使用ASP.NET AJAX在运行时动态加载页面。 在哪里可以在动态加载的局部视图上初始化jsTree?
当我启动Web应用程序时,一切正常。 我看到这样的树:
但是现在我单击“更改树视图”,并通过Ajax.ActionLink加载了部分视图。 现在,该树将不会呈现为TreeView,而只会呈现为普通列表:
您可以像这样初始化树:
$('#treeView').jstree();
如何为动态加载的局部视图初始化TreeView? 我尝试了动作链接的OnComplete回调函数,但是没有用。
TreeTest \\ Controllers \\ HomeController.cs:
using System.Web.Mvc;
namespace TreeTest.Controllers
{
public class HomeController : Controller
{
public ActionResult Index()
{
return View();
}
public PartialViewResult ChangeTreeView()
{
return PartialView();
}
}
}
TreeTest \\ Views \\ Shared_Layout.cshtml:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>@ViewBag.Title - My ASP.NET Application</title>
<link rel="stylesheet" href="/Content/vakata-jstree-a0767ce/dist/themes/default/style.min.css" />
@Styles.Render("~/Content/css")
@Scripts.Render("~/bundles/modernizr")
</head>
<body>
<div class="navbar navbar-inverse navbar-fixed-top">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
@Html.ActionLink("Application name", "Index", "Home", new { area = "" }, new { @class = "navbar-brand" })
</div>
<div class="navbar-collapse collapse">
<ul class="nav navbar-nav">
<li>@Html.ActionLink("Home", "Index", "Home")</li>
</ul>
<p class="nav navbar-text navbar-right">Hello, @User.Identity.Name!</p>
</div>
</div>
</div>
<div class="container body-content">
@RenderBody()
<hr />
<footer>
<p>© @DateTime.Now.Year - My ASP.NET Application</p>
</footer>
</div>
@Scripts.Render("~/bundles/jquery",
"~/bundles/jqueryajax")
@Scripts.Render("~/bundles/bootstrap")
@Scripts.Render("~/bundles/scripts")
@RenderSection("scripts", required: false)
<script src="/Content/vakata-jstree-a0767ce/dist/jstree.min.js"></script>
</body>
</html>
TreeTest \\ Views \\ Home \\ Index.cshtml:
@{
ViewBag.Title = "Home Page";
}
<div id="treeView">
<ul>
<li>Item 1</li>
<li>Item 2</li>
<li>Item 3</li>
<li>
Item 4
<ul>
<li>Item 4.1</li>
</ul>
</li>
</ul>
</div>
@Ajax.ActionLink("Change Tree View", "ChangeTreeView", new RouteValueDictionary(), new AjaxOptions { UpdateTargetId = "treeView", OnComplete = "TreeViewChangeOnComplete" })
TreeTest \\ Views \\ Home \\ ChangeTreeView.cshtml:
<ul>
<li>New Item 1</li>
<li>New Item 2</li>
<li>New Item 3</li>
<li>
New Item 4
<ul>
<li>New Item 4.1</li>
</ul>
</li>
</ul>
TreeTest \\ Scripts \\ JavaScript.js:
$(document).ready(function () {
$('#treeView').jstree();
});
function TreeViewChangeOnComplete() {
$('#treeView').jstree();
}
我不熟悉.NET的工作方式,但是我猜想它只是将指定元素的HTML内容与从AJAX调用中加载的内容交换。
由于实例已在节点( #treeView
)上创建,因此第二个jstree
调用不执行任何操作(实际上,它只是检索已存在的实例)。
我正在猜测并且尚未测试,但请尝试一下:
function TreeViewChangeOnComplete() {
$('#treeView').jstree(true).destroy(true);
$('#treeView').jstree();
}
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