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Hello

How we can make drop down list in web form with grouped items (capsulate).

I mean there are plus beside of each group for extending that.

Best regards.
Posted

In ASP.NET, the adequate control with "plus beside of each group" is System.Web.UI.WebControls.TreeView, http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.treeview.aspx[^].

—SA
 
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Abhinav S 13-Feb-12 1:36am    
My 5 of course.
Sergey Alexandrovich Kryukov 13-Feb-12 1:38am    
Thank you, Abhinav.
--SA
This link Adding groups to the ASP.NET DropDownList control[^] does not have an expand / collapse structure but it should help you get started.

This[^] should give you an extensible option as well.

ASP.NET DropDownList with OptionGroup support[^] is another neat article.

JQuery can give you one more approach as described here[^].
 
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Sergey Alexandrovich Kryukov 13-Feb-12 1:38am    
Right, my 5. jQuery approach looks pretty good.
--SA
Abhinav S 13-Feb-12 1:41am    
Thank you SA.
masoud_sedighy 14-Feb-12 5:40am    
thanks
I used jquery and it works very good when i open by opera . just one of my problem is, group item will not be showed in fire fox and internet explorer.
please help how i can solve.

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