动态更改母版页中的菜单类 [英] Change Class of Menu in Master Page Dynamically

问题描述

如何从
子页面更改主页面中的菜单的CSS类名称？
我希望在任何儿童形式的菜单打开时将课程更改为有效，

How can i Change the CSS Class name of menu which is in Master page from Child Page? I want to change class to "active", when any of child form of menu is open,

是否有可用的C＃或JavaScript代码？

Is any C# or JavaScript Code available?

谢谢

推荐答案

通过了解你的问题，我想你想要改变当页面发生变化时，li的类或菜单中使用的任何标记。

By understanding your question, i think you want to change the class of the li or whatever tag that is used in menu when the page changes.

请在主页page_load下添加以下c＃代码。

Please add the following c# code under master page page_load .

 string thisURL = this.Page.GetType().Name.ToString();       
        switch (thisURL)
        {
            case "home_aspx":
                lihome.Attributes.Add("class", "Active");                
                break;
         case "support_aspx":
                lisupport.Attributes.Add("class", "Active");
                break;
         case "logout_aspx":
                lilogout.Attributes.Add("class", "Active");
                break;
         }

使用菜单中使用的任何标记的id代替li。

Instead of li, use id of whatever tag you use in menu.

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