I have a problem with ajax
Actually i do not know whether its an ajax issue or its with
AdobeSVGViewer
I have developed orgchart.
I specified a link which would get me the direct reportees of a
manager(orgchart node) and when you click on the link (+) it would
make an ajax call to get the direct reports and it would display them
in svg.
and change the link text to (-).
Now when I again click on (-) the direct reports would vanish ( am
actually removing the node using removeChild() method). Which would
again make the link text to (+)
Now the problem is , when i click on the (+) it throws and error
getElementsByTagName(...).item(..) is null. Which does not make sense
cause the first time its working and the second time it fails.
And most importantly third time it does not fail. And from the third
time it behaves randomly. Which makes my head go round and round..
I even tried to display the node details (ie the svg content ) all is
correct.
And one very important thing. This only happend in IE, Not in Mozilla
Can some body help me please. Am I missing some point here????
Following is the code snippet
function getUserId(node){
var userId = null;
if (node){
userId =
node.getElementsByTagName("user").item(0).getAttribute("id"); // Place
Where the error shows up
}
return userId;
}
// Ajax Call back method
function callback(userId,page_request){
if ((page_request.readyState == 4)) {
if (page_request.responseText!="" ) {
var drNodes =
convertStrToDomNode(page_request.responseText).firstChild;
//alert(drNodes.getAttribute("id").indexOf("DIRECTREPORTEES_"));
if (drNodes.getAttribute("id").indexOf("DIRECTREPORTEES_")>=0){
if (drNodes.childNodes.length >0){
var newUserId = getUserId(drNodes.firstChild);// Place where the
error starts
var managerNode = SVGDocument.getElementById("USER_"+userId);
var directreporteesNode = getDIRECTREPORTEESNode(managerNode);
if (directreporteesNode == null || directreporteesNode == ""){
Thanks in Advance
Vinay Gajjala
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