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Text is being displayed in the background of RadTooltip while dragging a Radlistbox item.

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ToolTip
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James
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James asked on 29 Apr 2012, 02:01 PM
Hi,

I have a RadListBox on a RadTooltip control.  When I am trying to drag an item from the radlistbox; the text displayed along with the mouse cursor seen in the background of the RadTooltip window.  Kindly suggest a solution for this.  Please find the markup of sample page which can demonstrate the issue.  A screen capture also has been attached for further clarity.

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="ToolTipDragIssue.WebForm1" %>
  
<%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <asp:ScriptManager runat="server" ID="ScriptManager1" />
    <asp:Button ID="Button1" runat="server" Text="Click Here" />
    <div>
        <telerik:RadToolTip ID="RadToolTip1" runat="server" ShowEvent="OnClick" TargetControlID="Button1" HideEvent="ManualClose"
                <telerik:RadListBox ID="RadListBox1" runat="server" Width="200px" Height="200px"
            AllowTransfer="true" AllowReorder="true" AutoPostBackOnReorder="true" EnableDragAndDrop="true">
            <Items>
                <telerik:RadListBoxItem Text="Test Item 1 Test Item 1 Test Item 1 " />
                <telerik:RadListBoxItem Text="Test Item 2 Test Item 2 Test Item 2 "/>
                <telerik:RadListBoxItem Text="Test Item 3 Test Item 3 Test Item 3 "/>
                <telerik:RadListBoxItem Text="Test Item 4 Test Item 4 Test Item 4 " />
            </Items>
        </telerik:RadListBox>
        </telerik:RadToolTip>
  
    </div>
    </form>
</body>
</html>

Thanks,
James

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Marin Bratanov
Telerik team
answered on 02 May 2012, 04:00 PM
Hi James,

This happens because of the defauilt z-index values the RadToolTip and the draggable clue from the RadListBox have - 8000 and 6500 respectively. You can change this behavior either by reducing the z-index of the tooltips or by increasing the z-index of the dragged item:

div.rlbDragClue
{
    z-index: 9000 !important;
}

or

div.RadToolTip
{
    z-index: 6000 !important;
}


Kind regards,
Marin
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James
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Marin Bratanov
Telerik team
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