传递 htmlAttributes 时在 MVC 中使用 @Ajax.ActionLink 时出现问题

Question

当我在 .vbhtml 视图中使用 htmlAttributes 调用 @Ajax.ActionLink 时：

    @Ajax.ActionLink("LinkText", 
                     "Action",
                     routeValues:=baseController.PathParams(New With {.id = Model.Icodciud}), 
                     ajaxOptions:=New AjaxOptions() With {.HttpMethod = "POST", .UpdateTargetId = "myPanel", .InsertionMode = InsertionMode.InsertBefore},
                     htmlAttributes:=New With {.class = "btn btn-primary"})

页面中的结果是这个：

<a class="btn btn-primary" data-ajax="true" data-ajax-method="POST" data-ajax-mode="before" data-ajax-update="#myPanel" 
href="/Controller/Action?Count=2&amp;Keys=System.Collections.Generic.Dictionary%602%2BKeyCollection%5BSystem.String%2CSystem.Object%5D&amp;Values=System.Collections.Generic.Dictionary%602%2BValueCollection%5BSystem.String%2CSystem.Object%5D">LinkText</a>

但是如果我去掉htmlAttributes参数：

@Ajax.ActionLink("LinkText", 
                 "Action",
                 routeValues:=baseController.PathParams(New With {.id = Model.Id}), 
                 ajaxOptions:=New AjaxOptions() With {.HttpMethod = "POST", .UpdateTargetId = "myPanel", .InsertionMode = InsertionMode.InsertBefore})

那么结果就是这个（效果不错）：

<a data-ajax="true" data-ajax-method="POST" data-ajax-mode="before" data-ajax-update="#myPanel" 
href="/Controller/Action?Id=1&Other=Params">LinkText</a>

baseController.PathParams 方法总是返回一个RouteValueDictionary：

    Public Function PathParams(Optional params As Object = Nothing) As RouteValueDictionary

        Dim dictionary As IDictionary(Of String, Object) = New Dictionary(Of String, Object)()

     ... some code ...

        Return New RouteValueDictionary(dictionary)

    End Function

所以这不是问题。问题是我何时使用htmlAttributes。

有什么想法吗？

Answer 1

我发现了问题，如果你想使用ActionLink 方法和routeValues 作为RouteValueDictionary 那么htmlAttributes 应该是IDictionary：

Public Shared Function ActionLink(ajaxHelper As AjaxHelper, linkText As String, actionName As String, routeValues As Object, ajaxOptions As AjaxOptions, htmlAttributes As Object) As MvcHtmlString

Public Shared Function ActionLink(ajaxHelper As AjaxHelper, linkText As String, actionName As String, routeValues As RouteValueDictionary, ajaxOptions As AjaxOptions, htmlAttributes As IDictionary(Of String, Object)) As MvcHtmlString