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POASP.NET: Setting the Style of an HTML element Programatically
 

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    <p>I'm generating a menu with a Repeater control bound to an XmlDataSource. </p> <pre><code>&lt;asp:Repeater ID="myRepeater" runat="server" DataSourceID="myDataSource" onitemdatabound="myRepeater_ItemDataBound" onitemcreated="myRepeater_ItemCreated"&gt; &lt;HeaderTemplate&gt; &lt;ul class="menu_list"&gt; &lt;/HeaderTemplate&gt; &lt;ItemTemplate&gt; &lt;li id="liMenu" runat="server"&gt;&lt;asp:HyperLink ID="hrefMenuItem" runat="server" Text='&lt;%# XPath("@text")%&gt;' NavigateUrl='&lt;%# XPath("@href")%&gt;'&gt;&lt;/asp:HyperLink&gt;&lt;/li&gt; &lt;/ItemTemplate&gt; &lt;FooterTemplate&gt; &lt;/ul&gt; &lt;/FooterTemplate&gt; &lt;/asp:Repeater&gt; &lt;asp:XmlDataSource runat="server" ID ="myDataSource" XPath="Menu/Items/*" EnableCaching="False" /&gt; </code></pre> <p>I'd like to be able to set the style of the containing LI based on mouseover events and currently selected menu item. I tried via the HtmlGenericControl, but I receive an error that it's readonly.</p> <pre><code>protected void myRepeater_ItemDataBound(object sender, RepeaterItemEventArgs e) { if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) { HyperLink hrefCurrentMenuLink = e.Item.FindControl("hrefMenuItem") as HyperLink; HtmlGenericControl l_genericControl = e.Item.FindControl("liMenu") as HtmlGenericControl; if ((hrefCurrentMenuLink != null) &amp;&amp; (l_genericControl != null)) { string l_currentPage = GetCurrentWebPage(); if (String.Compare(Path.GetFileNameWithoutExtension(hrefCurrentMenuLink.NavigateUrl), l_currentPage, StringComparison.OrdinalIgnoreCase) == 0) l_genericControl.Style = "on-nav"; else l_genericControl.Style = "off-nav"; l_genericControl.Attributes.Add("onmouseover", "navOn(this)"); l_genericControl.Attributes.Add("onmouseout", "navOff(this)"); } } } </code></pre> <p>Is there any way to accomplish this?</p>
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