<table bgcolor="#b0c4de" cellspacing="10">
<td align="right">名字:</td>
<td><asp:TextBox id="txt_name" runat="server"/></td>
<asp:RequiredFieldValidator
ControlToValidate="txt_name"
<td align="right">卡片类型:</td>
<asp:RadioButtonList id="rlist_type"
<asp:ListItem>Diners</asp:ListItem>
<asp:ListItem>MasterCard</asp:ListItem>
<asp:ListItem>Visa</asp:ListItem>
<asp:RequiredFieldValidator
ControlToValidate="rlist_type"
<td><asp:Button id="b1" Text="提交" runat="server"/></td>