Hi micah,
Check this example. Now please take its reference and correct your code.
HTML
<div>
<asp:TextBox runat="server" ID="txtName" />
<br />
<asp:Button ID="btnShow" Text="Show" runat="server" />
<asp:Button ID="btnHide" Text="Hide" runat="server" />
</div>
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script type="text/javascript">
$(function () {
$('[id*=btnShow]').on("click", function () {
$('[id*=txtName]').attr('style', 'display: block;');
return false;
});
$('[id*=btnHide]').on("click", function () {
$('[id*=txtName]').attr('style', 'display: none;');
return false;
});
});
</script>
Screenshot
