Dynamically resizing of text box

[@kriti]

Hi,
My code is

<ItemTemplate>
<asp:TextBox id="txtNote" TextMode="MultiLine" wrap="true" Columns="30" Rows="3" runat="server" Font-Names="Verdana" Font-Size="XX-Small"></asp:TextBox>
</ItemTemplate>

My constraint is that I dont want to fix the colums and rows by hardcoding.I want that it should dynamically resize itself.