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Keeping an AJAX dropdownextender on top of all DIV

Posted on 2014-10-28
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Last Modified: 2014-10-29
I have a dropdownextender/listbox that I'm using. Because of it's placement on my page, it falls behind other DIVs.
Is there a way to force the extender to always appear on top when it is activated?

 
(<asp:Label ID="lblCustomer" runat="server" Text="Label"></asp:Label>)
    <cc1:DropDownExtender ID="ddeCustomer" DropDownControlID="ListBox1"
        runat="server" DynamicServicePath="" Enabled="True" TargetControlID="lblCustomer"
        HighlightBackColor="WhiteSmoke">
    </cc1:DropDownExtender>


    <asp:ListBox ID="ListBox1" runat="server" AutoPostBack="True">
</asp:ListBox>

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Comment
Question by:Mike Miller
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5 Comments
 
LVL 17

Accepted Solution

by:
selvol earned 2000 total points
ID: 40409791
Try this
Adding this to the page head,,,
</style>
#ListBox1:hover{z-index:999}
<style>

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The z-index specifies the level of an object.

i.e.  2 would cover or be above 1 and so on 999 is just to be safe.


Selvol
0
 

Author Comment

by:Mike Miller
ID: 40409986
I assume you mean

<style>
#ListBox1:hover{z-index:999}
</style>

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(your tags were reversed)

Which does not work
0
 

Author Comment

by:Mike Miller
ID: 40409987
FYI...it's a dropdownextender so I have to click a control...no hover. Not sure if that's relevant to your proposed solution or not.
0
 

Author Comment

by:Mike Miller
ID: 40409994
ok I added this to my CSS

.alwaysontop
{
z-index:10;
}

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then changed my list box to

 <asp:ListBox ID="ListBox1" runat="server" AutoPostBack="True" CssClass="alwaysontop">
</asp:ListBox>

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Worked like a charm. Thanks!
0
 
LVL 17

Expert Comment

by:selvol
ID: 40411723
Yes, thank you for correcting that fatal mistake I made.

Glad to help..

Way to take the idea and run with it.
It's always a better feeling helping someone that takes a little bit
of info and learns from it. Then fixes the problem there way.

Thank you
Selvol
0

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