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trying to call code behind from javascript timer 1

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codecomm

Programmer
Feb 14, 2007
121
US
Basically, after a certain time period of inactivity, I was to save/update some data via a routine in my ASP.NET code behind file (essentially mimic a button click right before the user's session time's out).

I'm trying the following and get a javascript error about the object doesn't support this proptery or method..I'm assuming it's for the "myHiddenButton.OnClick();" line of code

*****

HTML

******

</head>

<!-- Start timeout code -->

<body onmousedown = "window_activity()" onkeypress="window_activity()">

<script type="text/javascript">

var timerPROMPT = 0;

var timerCLOSE = 0;

function EndApp(){

//RateDeck.style.display = "none"

//spDeck.style.display = "none"

}

function StopTiming(){

if(timerPROMPT > 0)

window.clearTimeout(timerPROMPT)

//call button

var myHiddenButton = document.getElementById("myHiddenButtonID");

myHiddenButton.OnClick();

//end button call

if (confirm('Due to inactivity, your session is about to time out.')== 1)

{

if(timerCLOSE > 0)

window.clearTimeout(timerCLOSE)

timerPROMPT = window.setTimeout("StopTiming()",5000);

timerCLOSE = window.setTimeout("EndApp()",8000);

}

else

{

EndApp();

}

}

function window_activity() {

if(timerPROMPT > 0)

window.clearTimeout(timerPROMPT)

if(timerCLOSE > 0)

window.clearTimeout(timerCLOSE)

timerPROMPT = window.setTimeout("StopTiming()",5000);

timerCLOSE = window.setTimeout("EndApp()",6000);

}

</script>

<!-- End timout code -->

<form id="form1" runat="server">

<asp:ScriptManager ID="ScriptManager1" runat="server" />

<div>

<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>

<asp:Button ID="myHiddenButtonID" runat="server" Font-Size="XX-Small" OnClick="myHiddenButtonID_Click"

Text="Hide" /><br />

<br />

<br />


<asp:Image ID="Image1" runat="server" ImageUrl="~/images/top.jpg" />

</div>

</form>

</body>

</html>



*****

Code behind

****

protected void myHiddenButtonID_Click(object sender, EventArgs e)

{

Response.Write("Hidden button click event!");

}
 
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