详细出处参考：http://www.jb51.net/article/18434.htm
aspx:
<!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 type="text/javascript">
window.document.onkeydown = KeyStroke;
function KeyStroke()
{
var key = event.keyCode;
event.srcElement.releaseCapture();
if(key == 116)
{
document.getElementById("Button1").click();
event.keyCode=0;
event.returnValue=false;
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button id="Button1" runat="server"
Text="Button" OnClick="Button1_Click"></asp:Button>
</div>
</form>
</body>
</html>
cs:
protected void Button1_Click(object sender, EventArgs e)
{
Response.Write("You have pressed the key F5");
}
//当你点击后 它不会再有提示重复提交
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