<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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>Untitled Page</title>
<script language =javascript >
function check()
...{
/**////注意javascript中正則表示式的寫法: /表示式/
var rg= /^[w-]+(.[w-]+)*@[w-]+(.[w-]+)+$/;
if(document.getElementById("txtid").value=="000")
...{
alert("Can't Be 000");
document.all("txtid").focus();
return false;
}
var str=document.getElementById("txtmail").value;
if(!rg.test(str))
...{
alert("Email Addess error!!");
document.all("txtmail").focus();
return false;
}
else
...{
return true;
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:TextBox ID="txtmail" runat="server" Style="left: 270px; position: relative;
top: 221px"></asp:TextBox>;
<!--Notes: "OnClientClick" and "onclick" The Use of The 'Return'-->
<asp:Button id="btuLogin" OnClientClick ="return check()" runat="server" Style="left: 211px; position: relative; top: 289px"
Text="Button" OnClick="btuLogin_Click" />
<asp:TextBox ID="txtid" runat="server" Style="left: 48px; position: relative;
top: 159px"></asp:TextBox>
</form>
</body>
</html>
