Tooltip not showing, after upgrade

[FlexLearn]

Hello, 

we have purchase the devcraft Q3 2014 (complete) and i am using it for .netWebForms. 

After upgrading the ui through Visual Studio 13, to Q2 2015, tooltip stop working fro Greek Language,. even for a siple page:

 

<asp:LinkButton ID="LinkButton1" runat="server">press here!</asp:LinkButton>
<telerik:RadToolTip ID="RadToolTip1" runat="server" Text="Greek Text here" TargetControlID="LinkButton1"></telerik:RadToolTip>

(Greek text example = "Τέστ")

If i change the text to eng chars, the tooltip works perfect.

Our license subscription is over now.

Please inform me, if there is any bug?

I try in both website and web application. I create new site/project

I also try to update the bin folder in my projects, with the fresh telerik dlls, but without Luck.

*I have big problem in my projects, cause  i use your bootstrap skin. If i ll go back to v2014, tooltip is working but i get errors because the skin doesnt exhist.

[Joana]

Hi George,

I could confirm that there was such issue with this version of Telerik UI for ASP.NET AJAX. It was immediately fixed and the issue should not exist in the latest version(Q2 2016). Bootstrap skin was also improved since Q2 2015. As a workaround for the issue with the tooltip, you could use the following code:

<script type="text/javascript">
    Telerik.Web.UI.RadToolTip.prototype.isEmpty = function () {
        var element = this.get_contentElement();
        return element.innerHTML.match(/[^\s]/) === null && element.children.length === 0;
    }
</script>

Regards,
Joana
Telerik