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RadTooltip in RadGrid not Displaying on hover in IE8 Beta2

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This is a migrated thread and some comments may be shown as answers.
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Joseph asked on 06 Oct 2008, 03:53 AM
I have a browser functional difference using RadToolTip in template columns in RadGrid.  I have successfully used these tooltips in IE7 and FF3, but I recently upgraded to IE8 Beta 2 and now the tool tips do not display when hovering above the tooltip-ified columns.  They do display when you click and hold the mouse button down on the tooltip-ified element in IE8, but shouldn't the behavior be similar across browsers?

All that being said, this could be purely a Microsoft problem and Telerik may not be interested in trying to get all their tools 100% compatible with beta browsers. But if Steve Ballmer and Co. are changing the rules, I thought you might like to know.

IE version showing this behavior is: 8.0.6001.18241

Code to reproduce the problem is below.

<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="RGTest.aspx.vb" Inherits="MyApp.RGTest" %> 
<%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %> 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ""> 
<html xmlns="" > 
<head runat="server"
    <form id="form1" runat="server"
        <asp:ScriptManager runat="server" ID="smMain"
        <telerik:RadGrid ID="RadGrid1" runat="Server" Skin="WebBlue" AutoGenerateColumns="False" GridLines="None"
                    <HeaderStyle Width="20px" /> 
                    <HeaderStyle Width="20px" /> 
                <telerik:GridTemplateColumn CurrentFilterFunction="NoFilter" DataField="Description"  
                    FilterListOptions="VaryByDataType" ForceExtractValue="None" HeaderText="Description" 
                    SortExpression="Description" UniqueName="Description"
                        <asp:Label ID="lblDescription" runat="Server" Text='<%#Eval("Short_Description")%>'></asp:Label> 
                        <telerik:RadToolTip ID="RadToolTipDescription" runat="server" TargetControlID="lblDescription" RelativeTo="Element" Skin="WebBlue" 
                                    Position="BottomRight" Animation="None" HideDelay="1000" AutoCloseDelay="3500" Width="150px" ContentScrolling="Auto"
            <FilterMenu EnableTheming="True" Skin="WebBlue"
                <CollapseAnimation Duration="200" Type="OutQuint" /> 

Public Partial Class RGTest 
    Inherits System.Web.UI.Page 
    Protected Sub Page_Load(ByVal sender As ObjectByVal e As System.EventArgs) Handles Me.Load 
        Dim dt As New DataTable 
        Dim o(1) As Object 
        For i As Integer = 1 To 6 
            o(0) = "This is the short description" 
            o(1) = "Here is a much much much much much much much much much much much longer description that goes in the popup" 
        RadGrid1.MasterTableView.DataSource = dt 
    End Sub 
End Class 

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Telerik team
answered on 09 Oct 2008, 12:39 PM
Hello Joseph,

Thank you for the feedback. We are following closely the IE development and once IE 8 is officially out there will be an update of the RadControls for ASP.NET AJAX suite that will workaround any new inconsistencies introduced by the browser. You can expect the update within 2 weeks after the official IE8 launch

Best regards,
the Telerik team

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