Posted in Javascript onFebruary 03, 2012
这里我们举例校验ListBox两个规则:
•校验必选项
•选择范围在0~4项
界面代码:
<form id="form1" runat="server"> <div align="center"> <fieldset style="width: 350px; height: 200px;"> <table border="0" cellpadding="3" cellspacing="3"> <tr> <td> 请选择汽车类型: </td> </tr> <tr> <td> <asp:ListBox ID="lstCar" runat="server" Rows="5" SelectionMode="Multiple"> <asp:ListItem Value="1" Text="奔驰汽车"></asp:ListItem> <asp:ListItem Value="2" Text="宝马汽车"></asp:ListItem> <asp:ListItem Value="3" Text="奥迪汽车"></asp:ListItem> <asp:ListItem Value="4" Text="现代汽车"></asp:ListItem> <asp:ListItem Value="5" Text="丰田汽车"></asp:ListItem> </asp:ListBox> </td> </tr> <tr> <td> <asp:Button ID="btnSubmit" runat="server" Text="提交" /> </td> </tr> </table> </fieldset> <div id="message" class="alertmsg"> </div> </div> </form>
脚本代码:
<head id="Head1" runat="server"> <title>Recipe17</title> <script type="text/javascript" src="Scripts/jquery-1.4.1-vsdoc.js"></script> <script type="text/javascript" src="Scripts/jquery.validate.js"></script> <script type="text/javascript"> $(function () { $("#form1").validate({ rules: { lstCar: { required: true, rangelength: [0, 4] } }, messages: { lstCar: { required: "至少选择一种车!", rangelength: "选择的范围为零到四种车!" } }, errorLabelContainer: $("#message") }); }); </script> <style type="text/css"> .alertmsg { color: #FF0000; } </style> </head>
界面效果:
ASP.NET jQuery 实例17 通过使用jQuery validation插件校验ListBox
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