ASP.NET

<script type="text/javascript">

function OpenPopup() {

    window.open("popup.aspx","List","scrollbars=no,resizable=no,width=400,height=280");

    return false;

}

</script>

<script language="javascript">

function GetTextboxValue(val)

{

    // hardcoded value used to minimize the code. 

    // ControlID can instead be passed as query string to the popup window

    window.opener.document.getElementById("ctl00_ContentPlaceHolder1_TextBox2").value = val; 

    window.close();

}
</script>

Brij wrote:

Its better I think if a user has logged in from one pc then dont allow from other pc , just show a message a user has already loggedin.