JQuery .Show() doesn't work with server control?

Question

I have 2 html TR that i make them runat=\"server\" & visible=\"false\" and I have a dropdownlist called citiesDropDownList

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Answer 1

visible="false" means it doesn't even get rendered into the page, so your selectors aren't finding any elements.

Instead of visible="false" use style="display: none;" to hide the elements, yet still render them in the page.