<tr>
             <td>
           新密码:  </td>
             <td>
            <asp:TextBox ID="newPass1" runat="server" TextMode="password"></asp:TextBox>   </td>
             <td>
                 <asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" ErrorMessage="请输入新密码" ControlToValidate="newPass1"></asp:RequiredFieldValidator>
                 <asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" ErrorMessage="密码不能小于六位"  ValidationExpression="\d{6}" ControlToValidate="newPass1"></asp:RegularExpressionValidator>
                 
      </td>
         </tr>为什么不管理 我输了多少字符都提示不能小于六呀.