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<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>无标题页</title>
<script language="javascript" type="text/javascript">
// <!CDATA[
function Button2_onclick() {
var valid = document.getElementById("<%=ValidationSummary1%>");
if(!valid.IsValid)//IsValid 或者是isvalid 大小写记不清了,表示是否通过验证,true|false
{
alert(valid.innerHTML);
}
}
// ]]>
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ValidationSummary ID="ValidationSummary1" runat="server" />
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><asp:RequiredFieldValidator
ID="RequiredFieldValidator1" runat="server" ErrorMessage="XXXX" ControlToValidate="TextBox1" Display="Dynamic"></asp:RequiredFieldValidator>
<asp:Button ID="Button1" runat="server" Text="Button" />
<input id="Button2" type="button" value="button" onclick="return Button2_onclick()" /></div>
</form>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>无标题页</title>
<script language="javascript" type="text/javascript">
// <!CDATA[
function Button2_onclick() {
alert (document.getElementById("ValidationSummary1").innerText);
}
// ]]>
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ValidationSummary ID="ValidationSummary1" runat="server" />
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><asp:RequiredFieldValidator
ID="RequiredFieldValidator1" runat="server" ErrorMessage="XXXX" ControlToValidate="TextBox1" Display="Dynamic"></asp:RequiredFieldValidator>
<asp:Button ID="Button1" runat="server" Text="Button" />
<input id="Button2" type="button" value="button" onclick="return Button2_onclick()" /></div>
</form>
</body>
</html>