validation in asp.net
<p>Is it possible to assign two validators for a text box?I had used a regularexpression validator and a requiredfieldvalidator for a textbox txtAccount,but while execution only regularexpressionvalidator is working.I used this code:</p>

<pre><code>&lt;asp:RegularExpressionValidator ID="REV1" runat="server" 
                        ErrorMessage="should be a numeric value" 
ValidationExpression="\d*" ControlToValidate="txtAccount"&gt;     
&lt;/asp:RegularExpressionValidator&gt;

&lt;asp:RequiredFieldValidator ID="RFV1" runat="server" 
ErrorMessage="AC.No already exists" ControlToValidate="txtAccount"&gt;   
&lt;/asp:RequiredFieldValidator&gt;   
</code></pre>
