How to access a nested child tag values in XML Object(getting error:No Such variable)

Hi,
I could see the XML object data and while accessing a perticular attribute let say "SlotA" it is showing "No such variable Error".
I appreciate any of your inputs or suggestions to solve this error.
You can find the screen snapshot of the problem as part of the attachment here.
Thanks in advance
CSNPrasad.

Dear Natasha,
Thanks for your mails & cooperation as well.
This time i have added the trace() and can see the value.Now the problem is "can't access a property or method of a null object reference"
Noe: This code mxml file is called at Runtime based on the data defined in the XMLSocket data.
I need to display Remote devices like davice1,device2 device3 etc. these are added/delete at any time ,so we need to show same changes in UI at Runtime.
I implemented Polymorphism concept to construct the device object at runtime like follows
var device:Object;
for each (var deviceData:XML indeviceListXML..Device)
                    device = getBatteryBay(deviceData.deviceId)
                    // If device already exists with the deviceId, update the details
                    // Else create a newdevice and add it to the container for displaying it.
                                                                                if (device == null)
                        if (device.Type == "DEVICE1")
                            device = new Device1();
                        else if (device.Type == "DEVICE2")
                        device = new Device2();
                        else
                            device = new DefaultDevice();
                        device.id = deviceData.deviceId;
                    device.name = deviceData.devicename;
                     device.setData(deviceData);
Here new Device1(); and new Device2() are the UIComponents and created at Runtime, upto here no problem to display, when i try to setData to the devices it is throwing error
"can't access a property or method of a null object reference". because Device1 and Device2 has Child components like "DataIndicator" and need to set properties to these components which are not created yet.
I appreciate any of your Input or suggestions at the earliest
Thanks in Advance
Regards

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</env:Body>Edited by: Luciana T. Angeli on Nov 1, 2010 3:46 PM
Edited by: Luciana T. Angeli on Nov 1, 2010 3:48 PM
Edited by: Luciana T. Angeli on Nov 1, 2010 3:49 PM

SQL> with t
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 || '</ns0:consultaCanalAplicacaoResponse>'
 || '</env:Body>'
 || '</env:Envelope>')
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 from dual)
select id, xmlserialize(document item indent) item
from t,
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1 row selected.hth.

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</soap:Body>
</soap:Envelope>
My aim is to write a PL/SQL that will call the webservice and recieve the response which is definately a XML with an image that is meant to be written to a file in PL/SQL.
Please how can i achieve this ?

How to access SharePoint External Data column using Silverlight Client Object Model

Hi Friends,
I have one sharepoint list which has column of type External Data type. My need is to access each item and get the values from the External Data Type column field.
Can anyone help me how to acheive this. I am begineer in Silverlight.
Thanks, Cool Developer

Hi Friends,
I have one sharepoint list which has column of type External Data type. My need is to access each item and get the values from the External Data Type column field.
Can anyone help me how to acheive this. I am begineer in Silverlight.
Thanks,
RajanThanks, Cool Developer

Delete parent node based on its child node value in XML

I have an xml like this:
<UPLOAD_REQUEST>
 <CUSTOMER_DETAIL>
 <NAME>Smith</NAME>
 <AGE>20</AGE>
 <GENDER>M</GENDER>
 </CUSTOMER_DETAIL>
 <CUSTOMER_DETAIL>
 <NAME>Nikita</NAME>
 <AGE>35</AGE>
 <GENDER>F</GENDER>
 </CUSTOMER_DETAIL>
</UPLOAD_REQUEST>
I want to delete CUSTOMER_DETAIL node where name = 'nikita' from xml. Also note that there is no identification number for CUSTOMER_DETAIL node.
I was trying to do it like this:
UPDATE request_xml
SET request= deleteXML(request, '/UPLOAD_REQUEST/CUSTOMER_DETAIL')
WHERE extractvalue(request, '/UPLOAD_REQUEST/CUSTOMER_DETAIL/NAME') = 'Nikita';
It gives error "*EXTRACTVALUE returns value of only one node*"
Final output should be
<UPLOAD_REQUEST>
 <CUSTOMER_DETAIL>
 <NAME>Smith</NAME>
 <AGE>20</AGE>
 <GENDER>M</GENDER>
 </CUSTOMER_DETAIL>
</UPLOAD_REQUEST>
Can anyone please help me how to do this?
Edited by: user10446917 on May 6, 2011 3:38 AM

Add a predicate in the XPath expression :
UPDATE request_xml
SET request = deleteXML(request, '/UPLOAD_REQUEST/CUSTOMER_DETAIL[NAME="Nikita"]')
;

How to add namespaces before a tag name in XML??

Dear friends:
I have following code, and hope to add namespaces before the tagname such as Company, Location and even any attributes in this xml,
Can you help throw some lights??
Thanks in advance.
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import com.sun.org.apache.xml.internal.serialize.OutputFormat;
import com.sun.org.apache.xml.internal.serialize.XMLSerializer;
import org.w3c.dom.Element;
public class DocWriteDOMStart {
 public static void main(String[] av) throws IOException {
 DocWriteDOMStart dw = new DocWriteDOMStart();
 Document doc = dw.makeDoc();
 ((org.apache.crimson.tree.XmlDocument)doc).write(System.out);
 /** Generate the XML document */
 protected Document makeDoc() {
 try {
 DocumentBuilderFactory fact = DocumentBuilderFactory.newInstance();
 DocumentBuilder parser = fact.newDocumentBuilder();
 Document doc = parser.newDocument();
 Element root = doc.createElement("Company");;
 doc.appendChild(root);
 Element loc = doc.createElement("Location");
 root.appendChild(loc);
 Element emp = doc.createElement("Employee");
 loc.appendChild(emp);
 emp.appendChild(doc.createTextNode("Daniel Bush"));
 Element emp2 = doc.createElement("Employee");
 loc.appendChild(emp2);
 emp2.appendChild(doc.createTextNode("Sandy Moore"));
 Element dept = doc.createElement("Department");
 Element e = (Element)dept;
 e.setAttribute("Nationality", "USA");
 e.setAttributeNS("www.yahoo.com", "dept", "http://www.google.com");
 //e.setAttributeNodeNS(newAttr);
 loc.appendChild(e);
 e.appendChild(doc.createTextNode("IT Depart"));
 return doc;
 } catch (Exception ex) {
 System.err.println(ex.getClass());
 System.err.println(ex.getMessage());
 return null;
}and I got
<?xml version="1.0" encoding="UTF-8"?>
<Company>
<Location>
 <Employee>Daniel Bush</Employee>
 <Employee>Sandy Moore</Employee>
 <Department Nationality="USA" dept="http://www.google.com">IT Depart</Department>
</Location>
</Company>hope to add namespaces before the tagname such as Company, Location and even any attributes such as dept, nationality etc in this xml,
I try but fail.

You would have to write code that does that, then. Right now your code writes that part of your XML as elements that aren't in a namespace. I can tell you know there are different methods to write elements that are in a namespace because you used a different method to try to write an attribute that is in a namespace.

How to access a nested child tag values in XML Object(getting error:No Such variable)

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