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Listbox javascript selectindex

Posted on 2009-04-02
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Last Modified: 2012-05-06
hi every one,

Can someone help me with Javascript codes?  I have a databound listbox. I would like to do a javascript so that when user click on an item, it will pass that item value to a gridview.  I don't want to do Autopostback with my listbox because it create problem with my Listsearch_Extender

Thank you so much
*** added .NET and pushed the request attention link *** mplungjan, ee ZAPE

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Question by:luubi
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Expert Comment

by:MogalManic
ID: 24058491
Do you mean something like this:


<asp:ListBox ID="ListBox1" runat="server" >
  <asp:ListItem>a</asp:ListItem>
  <asp:ListItem>b</asp:ListItem>
  <asp:ListItem>c</asp:ListItem>
</asp:ListBox>
Add a javascript function
 function Selection()
{
  alert(List.options[List.selectedIndex].value);
}
Then in code behind ,  
 
ListBox1.Attributes.Add("onchange", "Selection(this);");

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Expert Comment

by:MogalManic
ID: 24058495
but I don't know what you mean by "pass that item value to a gridview"
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by:luubi
ID: 24059323
I have a listbox databound listing of all the Project #.  Then, when a user click on the Project #, it will pass the value to a gridview to view all the tasks available for that Project.

I would like to do this with JS script instead of Auto Postback because when I turn on AutoPostback for listbox, my listsearch_extender does not work

Thanks
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luubi earned 0 total points
ID: 24169932
can someone help me with this?
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