Tutorial - SelectedId

1. Using postbacks
2. By setting AutoQueryString = true property and getting the value from Query String

This menu uses postbacks to display the selected item ID: Currently selected: a_a_pb Company Home Entertainment Games Greeting Cards Downloads New Cars Used Vehicles Smart Stuff System Tasks View system info Add programs Change settings Add users Other places My Network Places My Documents Shared Documents Control Panel Short Parent Make a new folder Publish to the Web Share this folder Explore Site Business Buy Tickets Careers Resources E-newsletters Discussion Center White Papers Online Courses Online Book Library Books & CDs Free Product Info Sample code

This menu uses Query String to set the Selected ID value: Currently selected: a_a_qs Company Home Entertainment Games Greeting Cards Downloads New Cars Used Vehicles Smart Stuff System Tasks View system info Add programs Change settings Add users Other places My Network Places My Documents Shared Documents Control Panel Short Parent Make a new folder Publish to the Web Share this folder Explore Site Business Buy Tickets Careers Resources E-newsletters Discussion Center White Papers Online Courses Online Book Library Books & CDs Free Product Info Sample code

<osm:SlideMenu
        id = "tutSelID"
        runat = "server"
        SelectedId = "c11" >
    <menuitems>
        <osm:Parent id="p1">Company Home</osm:Parent>
            <osm:Child id="c11" OnClick="menuClick">
                Entertainment
            </osm:Child>
            <osm:Child id="c12" OnClick="menuClick">
                Games
            </osm:Child>
            <osm:Child id="c13" OnClick="menuClick">
                Greeting Cards
            </osm:Child>
            <osm:Child id="c14" OnClick="menuClick">
                Downloads
            </osm:Child>
        <osm:Parent id="p2">System Tasks</osm:Parent>
            <osm:Child id="c21" OnClick="menuClick">
                View system info
            </osm:Child>
            <osm:Child id="c22" OnClick="menuClick">
                Add programs
            </osm:Child>
    </menuitems>
</osm:SlideMenu>

<script language="C#" runat="server">
    void Page_Load(object sender, EventArgs e) {
        string osmId = Request.QueryString["sm"];
        if(osmId != null)
            tutSelId.SelectedId = osmId;
    }
</script>

<osm:SlideMenu
        id = "tutSelID"
        runat = "server"
        SelectedId = "c11" >
    <menuitems>
        <osm:Parent id="p1">Company Home</osm:Parent>
            <osm:Child id="c11" Url="tutorial_selectedid.aspx">
                Entertainment
            </osm:Child>
            <osm:Child id="c12" Url="tutorial_selectedid.aspx">
                Games
            </osm:Child>
            <osm:Child id="c13" Url="tutorial_selectedid.aspx">
                Greeting Cards
            </osm:Child>
            <osm:Child id="c14" Url="tutorial_selectedid.aspx">
                Downloads
            </osm:Child>
        <osm:Parent id="p2">System Tasks</osm:Parent>
            <osm:Child id="c21" Url="tutorial_selectedid.aspx">
                View system info
            </osm:Child>
            <osm:Child id="c22" Url="tutorial_selectedid.aspx">
                Add programs
            </osm:Child>
    </menuitems>
</osm:SlideMenu>