Hi Pedro,
Such a facility is not available out of the box, tag cloud items do not have an active/clicked state, only a hovered state. Thus, you would need to add a CSS class to the item and add it again after the postback.
Here is an exapmle that you can use as base:
<telerik:RadAjaxLoadingPanel ID="RadAjaxLoadingPanel1" runat="server" Skin="Black"></telerik:RadAjaxLoadingPanel><telerik:RadAjaxPanel ID="RadAjaxPanel1" runat="server" LoadingPanelID="RadAjaxLoadingPanel1"> <telerik:RadTagCloud runat="server" ID="RadTagCloud1" OnItemClick="RadTagCloud1_ItemClick" AutoPostBack="true" OnClientItemClicked="OnClientItemClicked" OnClientLoad="addSelectedClassToItem"> <Items> <telerik:RadTagCloudItem Text="item 1" /> <telerik:RadTagCloudItem Text="two" /> </Items> </telerik:RadTagCloud> <asp:Label ID="Label1" Text="" runat="server" /></telerik:RadAjaxPanel><telerik:RadCodeBlock runat="server" ID="RadCodeBlock1"> <script type="text/javascript"> var selItemIndex = null; function OnClientItemClicked(sender, args) { selItemIndex = args.get_item().get_index(); addSelectedClassToItem(); } function addSelectedClassToItem() { if (selItemIndex != null) { var tagCloud = $find("<%=RadTagCloud1.ClientID%>"); var items = tagCloud.get_items(); for (var i = 0; i < items.length; i++) { if (i == selItemIndex) { // you can enhance this condition $telerik.$(items[i].get_element()).addClass("selectedTagCloudItem"); } else { $telerik.$(items[i].get_element()).removeClass("selectedTagCloudItem"); } } } } </script></telerik:RadCodeBlock>/* depending on the rules you want here, you may have to make the selector heavier */.selectedTagCloudItem{ border: 2px solid red;}protected void RadTagCloud1_ItemClick(object sender, RadTagCloudEventArgs e){ System.Threading.Thread.Sleep(2000); Label1.Text=DateTime.Now.ToString();}Regards, Marin Bratanov
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