asp.net - textbox and lable display -


i new asp.net , facing small problem in it. problem set display="dynamic" textbox , label showing erroe , there equal tag display="dynamic" textbox , lable....,

code is:

<tr>             <td align="right" style="padding-right: 5px; width: 50%;" >                 <asp:label id="lblfirstname" runat="server" text="firstname :"></asp:label>             </td>             <td align="left" style="padding-left: 5px; width: 50%;" >                 <asp:textbox id="txtfirstname" runat="server" width="70%"></asp:textbox>                 <br />                 <asp:requiredfieldvalidator id="rfvfirstname" runat="server" display="dynamic" controltovalidate="txtfirstname"                     errormessage="you can't leave empty." style="color: #ff0000;"></asp:requiredfieldvalidator>             </td>         </tr>

plz me on flow...,


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