日期:2014-05-16  浏览次数:20402 次

文本框在鼠标离开时触发JS方法
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="textBox.WebForm1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <script type="text/javascript">
        function validate() {
            var name = document.getElementById("txtName");
            if (name.value == 2) {
                alert("你必须不是二!");
                name.focus();
                return false;
            }
            return true;
        }
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:TextBox ID="txtName" onblur="validate();" runat="server" />
    </div>
    </form>
</body>
</html>