باید از جدول بندی کمک بگیری:
<table>
<tr>
<tdalign="left"> :</td>
<tdalign="right">
<asp:TextBoxID="txtName"runat="server"/>
<asp:RequiredFieldValidatorID="rfvName"runat="server"BorderStyle="None"
ControlToValidate="txtName"ErrorMessage="*"ValidationGroup="CountactUs"></asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<tdalign="left"> :</td>
<tdalign="right">
<asp:TextBoxID="txtEmail"runat="server"/>
<asp:RegularExpressionValidatorID="revEmail"runat="server"
ControlToValidate="txtEmail"ErrorMessage="*"
ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"
ValidationGroup="CountactUs"></asp:RegularExpressionValidator>
</td>
</tr>
<tr>
<tdalign="left"> :</td>
<tdalign="right">
<asp:TextBoxID="txtWebSite"runat="server"/>
<asp:RegularExpressionValidatorID="revWebsite"runat="server"
ControlToValidate="txtWebSite"ErrorMessage="*"
ValidationExpression="http(s)?://([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?"
ValidationGroup="CountactUs"></asp:RegularExpressionValidator>
</td>
</tr>
<tr>
<tdalign="left"> :</td>
<tdalign="right">
<asp:TextBoxID="txtSubject"runat="server"/>
<asp:RequiredFieldValidatorID="rfvSubject"runat="server"ErrorMessage="*"
ControlToValidate="txtSubject"ValidationGroup="CountactUs"/>
</td>
</tr>
<tr>
<tdalign="left"valign="top"> :</td>
<tdalign="right"valign="top">
<asp:TextBoxID="txtComment"runat="server"
TextMode="MultiLine"/>
<asp:RequiredFieldValidatorID="rfvComment"runat="server"ErrorMessage="*"
ControlToValidate="txtComment"ValidationGroup="CountactUs"/>
</td>
</tr>
<tr>
<tdalign="left">
<asp:ButtonID="btnSubmit"runat="server"Text=""
ValidationGroup="CountactUs"/>
</td>
<tdalign="right">
<asp:ButtonID="btnCancel"runat="server"Text=""
/>
</td>
</tr>
</table>