i tried to change style of the button by adding class="btn btn-primary" but its not getting changed.
i am using boostrap.i added the following links.
<%-- <link type="text/css" href="bootstrap/css/bootstrap.min.css" rel="stylesheet"/>
<link type="text/css" href="bootstrap/css/bootstrap-responsive.min.css" rel="stylesheet"/>--%>
<link href="http://twitter.github.com/bootstrap/assets/css/bootstrap-responsive.css" rel="stylesheet"/>
<link href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css" rel="stylesheet"/>
<tr>
<td align="right" valign="top" >
<asp:Button ID="ButtGenerateInvoiceNumber" class="btn btn-primary" runat="server" Text="Generate Invoice" Width="120" OnClick="ButtGenerateInvoiceNumber_Click" CausesValidation="False" /></td>
<td align="left" >
</td>
</tr>
