介面代碼:
複製代碼 代碼如下:<form id="form1" runat="server">
<div align="center">
<fieldset style="width: 350px; height: 200px;">
<table border="0" cellpadding="3" cellspacing="3">
<tr>
<td>
請選擇汽車類型:
</td>
</tr>
<tr>
<td>
<asp:RadioButtonList ID="rbCar" runat="server">
<asp:ListItem Value="1" Text="平治汽車"></asp:ListItem>
<asp:ListItem Value="2" Text="寶馬汽車"></asp:ListItem>
<asp:ListItem Value="3" Text="奧迪汽車"></asp:ListItem>
<asp:ListItem Value="4" Text="現代汽車"></asp:ListItem>
<asp:ListItem Value="5" Text="豐田汽車"></asp:ListItem>
</asp:RadioButtonList>
</td>
</tr>
<tr>
<td>
<asp:Button ID="btnSubmit" runat="server" Text="提交" />
</td>
</tr>
</table>
</fieldset>
<asp:CustomValidator ID="ctvCar" runat="server" Display="Dynamic" ErrorMessage="至少選擇一種車!"
ForeColor="Red" ClientValidationFunction="rbCar_Validation"></asp:CustomValidator>
</div>
</form>
指令碼代碼: 複製代碼 代碼如下:<head id="Head1" runat="server">
<title>Recipe16</title>
<script type="text/javascript" src="Scripts/jquery-1.4.1-vsdoc.js"></script>
<script type="text/javascript">
function rbCar_Validation(sender, args) {
args.IsValid = ($("#rbCar :radio:checked").length > 0);
}
</script>
</head>
顯示效果: