in a page I have two radio-button which based which-one selected I will show some controls in this page by using classes called 'person' and 'organization'. Moreover, I want to check user enter correct data in input-text controls. How can I validta data in clientside? for example:
<input runat="server" id="txtnationalid" maxLength="10" name="txtnationalid" class='person ltr glow-onfocus customerCode required number' dir="ltr" />
<asp:RequiredFieldValidator Display="Dynamic" runat="server" ID="txtcodecv1" ErrorMessage="it can not be null" ControlToValidate="txtnationalid" ></asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ValidationExpression="[0-9]{10}" Display="Dynamic" runat="server" id="txtcodev2" ErrorMessage="it's not in correct format" ControlToValidate="txtnationalid" ></asp:RegularExpressionValidator>
<input runat="server" id="txteconomiccode" maxLength="15" name="txteconomiccode" class='organization ltr glow-onfocus customerCode required number' dir="ltr" />
<asp:RequiredFieldValidator Display="Dynamic" runat="server" id="txtcodecv3" ErrorMessage="economiccode required" ControlToValidate="txteconomiccode"></asp:RequiredFieldValidator>