Documentation for: ASP.NET Ajax Version 1.0

This documentation is for a previous version. For the current released version, see the ASP.NET Ajax documentation on MSDN.








Sys.UI.DomEvent Sample


<%@ Page Language="C#" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "">
<script runat="server">


<html xmlns="">

<head id="Head1" runat="server">
    <style type="text/css">
    #UpdatePanel1 { 
      width:300px; height:100px;
    <form id="form1" runat="server">
        <asp:ScriptManager ID="ScriptManager1" runat="server"/>
        <asp:UpdatePanel ID="UpdatePanel1" runat="server" ChildrenAsTriggers="False" UpdateMode="Conditional">
                <asp:Panel ID="Panel1" runat="server" GroupingText="Update Panel">
                   <asp:Label ID="Label1" runat="server" Text="Click button to see event details."></asp:Label>
		           <br />
                   <asp:Button ID="Button1" runat="server" Text="Button" AccessKey="b"  />
		           <br />
                   <asp:Label ID="Label2" runat="server"></asp:Label>

<script type="text/javascript">
    Sys.UI.DomEvent.addHandler($get("Button1"), "click", processEventInfo);
    var myArray = ['altKey', 'button', 'charCode', 'clientX', 'clientY',
                   'ctrlKey', 'offsetX', 'offsetY', 'screenX', 'screenY', 
                   'shiftKey', 'target', 'type'];

    function processEventInfo(eventElement) {
        var result = '';
        for (var i = 0, l = myArray.length; i < l; i++) {
            var arrayVal = myArray[i];
            if (typeof(arrayVal) !== 'undefined') {
                // Example: eventElement.clientX
                result += arrayVal + " = " + eval("eventElement." + arrayVal) + '<br/>';
        $get('Label2').innerHTML = result;