ASP.NET 菜单中的当前页面样式

Question

I have master page with menu bar and a few nested pages. What is best practice to highlight selected menu item? For example:

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Answer 1

This is what I use:

    //select menu item with matching NavigateUrl property
    foreach (MenuItem ParentMenu in menu.Items)
    {
        if (ParentMenu.NavigateUrl.ToLower() == Page.AppRelativeVirtualPath.ToLower())
        {
            ParentMenu.Selected = true;
        }
        else
        {
            foreach (MenuItem childMenu in ParentMenu.ChildItems)
            {
                if (childMenu.NavigateUrl.ToLower() == Page.AppRelativeVirtualPath.ToLower())
                {
                    childMenu.Selected = true;
                }
            }
        }
    }

Answer 2

The best way would be to put the menu in a control. You can then have properties such as SelectedMenu which render the style of the selected menu item.

You can read about user controls here:

http://msdn.microsoft.com/en-us/library/fb3w5b53.aspx

They can be a little tricky at first, but once you have got the hang of them they will be very useful to you.

Answer 3

you can highlight the menuitem based on the current url.

Answer 4

Use StaticSelectedStyle and DynamicSelectedStyle properties