How to hide row in table

hi

<tr id="tempTR">
<td><span class="required">*</span> State:</td>
<td><input type="text" name="lastname" id="txt_State" runat="server" value=""/>
</td>

$(document).ready(function ($) {

$('#tempTR').hide();--here hiding table row

}

how to unhide that row

function handleClick1(obj) {
$('#tempTR').style.display = 'block';--this coding doesnot work for me
}

give me solution visible that row

thanks