Drop down list that doesnt show the first element?

How can I create a drop down list that doesn't show when You expand the drop down list? (because the first element has text "Please make selection" and no 开发者_开发百科value. Plus, it looks bad with the please select in the list right under the same text.

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You can either create an option group (example here) so that it's not selectable, or just leave the first option blank and add your own validation for the dropdown. A blank one would just be:

<option value="-1"></option>

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It isn't possible immediately from the server-side. You'll have to include a special option, and add some CSS and javascript. See this question for a solution (and check out the JsFiddle he added).