HELP! KB3008923 breaks window.dialogArguments in secondary windows!
We have an enterprise app that heavily uses modal dialogs. This morning we were greeted with a flood of support requests that after a Windows update last night, dialogs no longer work.
We isolated the issue that window.dialogArguments on secondary window no longer works.
I have a test case below that you can verify, window.dialogArguments in test2.html shows 'undefined' on machines that have the KB3008923 update, but "[object Object]" when the update is uninstalled:
test0.html:
<!DOCTYPE html>
<html>
<body>
<button onclick="window.showModalDialog('test1.html',new Object());">clickme</button>
</body>
</html>
test1.html:
<!DOCTYPE html>
<html>
<head>
<script>
alert(window.dialogArguments);
</script>
</head>
<body>
<button onclick="window.showModalDialog('test2.html',new Object());">clickme</button>
</body>
</html>
test2.html:
<!DOCTYPE html>
<html>
<head>
<script>
alert(window.dialogArguments);
</script>
</head>
<body>
</body>
</html>
A Small correction to my code posted before :
In the function setJavaScriptValue add encodeURIComponent
var url = path + "/" + "SaveJavaScriptValues.aspx?t=" + Math.random();
url += "&action=setValue";
url += "¶mName=" + paramName;
url += "¶mValue=" + encodeURIComponent(paramValue);
Here is again the code :
Here is the solution (by using xmlhttp ) :
Create an aspx page :
This page will send back XML .
The page accepts 3 parameters :
action: setValue or getValue
paramName :name for a return value from the modal window. This will be the session variable name.
paramValue :this is the value to pass from the modal window before closing.
The request to the page will be done done calling xmlHttpRequest where async=false
(will wait for the response)
Here is the ASPX page called SaveJavaScriptValues
public partial class SaveJavaScriptValues : System.Web.UI.Page
protected void Page_Load(object sender, EventArgs e)
string strResponse = string.Empty;
if (Request.QueryString["action"] != null && Request.QueryString["action"] == "setValue")
string strParamName = Request.QueryString["paramName"];
string strParamValue = Request.QueryString["paramValue"];
Session["javascriptValue_" + strParamName] = strParamValue;
strResponse = strParamValue;
if (Request.QueryString["action"] != null && Request.QueryString["action"] == "getValue")
string strParamName = Request.QueryString["paramName"];
if (Session["javascriptValue_" + strParamName] != null)
strResponse = Convert.ToString(Session["javascriptValue_" + strParamName]);
//set session to null for next time .
//once requested ,should be setted again .
Session["javascriptValue_" + strParamName] = null;
else
strResponse = "undefined";
Response.Clear();
string strXml = "<?xml version='1.0' encoding='UTF-8' ?>";
strXml += "<Root ><Answer>" + "<![CDATA[" + strResponse + "]]>" + "</Answer></Root>";
Response.ContentType = "text/xml";
Response.Write(strXml);
Response.End();
After that create a javascript file and put there the fallowing functions:
function setJavaScriptValue(path,paramName,paramValue) {
var xmlhttp;
if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp = new XMLHttpRequest();
else {// code for IE6, IE5
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
var url = path + "/" + "SaveJavaScriptValues.aspx?t=" + Math.random();
url += "&action=setValue";
url += "¶mName=" + paramName;
url += "¶mValue=" + encodeURIComponent(paramValue);
xmlhttp.open("GET", url, false);
xmlhttp.send();
return (paramValue);
function getJavaScriptValue(path, paramName) {
var xmlhttp;
if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp = new XMLHttpRequest();
else {// code for IE6, IE5
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
var url = path + "/" + "SaveJavaScriptValues.aspx?t=" + Math.random();
url += "&action=getValue";
url += "¶mName=" + paramName;
xmlhttp.open("GET", url, false);
xmlhttp.send();
var strResponse = xmlhttp.responseXML.selectSingleNode("/Root/Answer").text
return (strResponse);
Where PATH is the your path relative to the file from where you call the functions.
Now from your page call javascript function before closing ModalWindow:
for example:
var myValueToReturnFromModalWindow="test";
setJavaScriptValue("../General", "paymentBillingType",myValueToReturnFromModalWindow ));
//where ../General the folder where you store the aspx file
//paymentBillingType is your parameter name
window.close();
and now from the page the calls the showModalDialog
var returnValue = getJavaScriptValue("../General", "paymentBillingType");
and now you have the return value;
it is important to call getJavaScriptValue always after closing the dialog.
By calling the function ,it will not only get the value ,but also reset it to undefined for future use.
(because user might close the modal window by clinicking the X button ,without returning actually any value)
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