1
我想在一些文本中嵌入操作鏈接,這些文本將從控制器存儲在數據庫中。我試圖通過控制環境中實例化一個新的HtmlHelper來實現:從控制器檢索生成的ActionLink html
//Controller
public ActionResult Foo()
{
var x = ThemedActionLink(/*Parameters*/);
//save x to database
return View();
}
//Custom HtmlHelper code
private class EmptyViewDataContainer : IViewDataContainer
{
public ViewDataDictionary ViewData { get; set; }
}
public static string ThemedActionLink(
//Parameters
)
{
var helper = new HtmlHelper(new ViewContext(), new EmptyViewDataContainer());
var preTheming = //Generate pre-element wrapper
var postTheming = //Generate post-element wrapper
return MvcHtmlString.Create(
preTheming
+ helper.ActionLink(text, action, controller)
+ postTheming).ToString();
}
,但我得到NotImplementedException
上return語句。我如何從控制器的上下文中獲得正確初始化的HtmlHelper?