How to add optiongroup in asp:listitem

Question

Hi,

How can I add optiongroup in asp:listitem.

Please give some example code.

Answer 1

Amazingly it is not possible with the standard control, but you can roll your own that can or use someone elses such as the one you can find here:

http://www.codeproject.com/KB/custom-controls/DropDownListOptionGroup.aspx

Hope it helps.

Answer 2

Here is a link to add optionGroup - http://stackoverflow.com/questions/130020/dropdownlist-control-with-optgroups-for-asp-net