working code for my xml
<p>parssing is going well. but i a not able to get value in 'aBook' object of class 'Book'(whereas aBook have all the property of Book class like 'id','iid','catname','subcatname','url'i.e declared and retained ). what to do get values in aBook?</p>

<p>here is output in gdb :</p>

 <pre>  2011-04-28 15:08:12.046 XML[7053:20b] Processing Element: Table
2011-04-28 15:08:12.047 XML[7053:20b] Processing Value: 


2011-04-28 15:08:12.048 XML[7053:20b] Processing Element: id
2011-04-28 15:08:12.048 XML[7053:20b] Processing Value: 

    1
2011-04-28 15:08:12.049 XML[7053:20b] Processing Value: 

2011-04-28 15:08:12.050 XML[7053:20b] Processing Element: catname
2011-04-28 15:08:12.050 XML[7053:20b] Processing Value: 
    Birthday
2011-04-28 15:08:12.051 XML[7053:20b] Processing Value: 

2011-04-28 15:08:12.051 XML[7053:20b] Processing Element: iid
2011-04-28 15:08:12.051 XML[7053:20b] Processing Value: 
    1
2011-04-28 15:08:12.052 XML[7053:20b] Processing Value: 

2011-04-28 15:08:12.052 XML[7053:20b] Processing Element: subcatname
2011-04-28 15:08:12.052 XML[7053:20b] Processing Value: 
    card1
2011-04-28 15:08:12.053 XML[7053:20b] Processing Value: 

2011-04-28 15:08:12.053 XML[7053:20b] Processing Element: url
2011-04-28 15:08:12.053 XML[7053:20b] Processing Value: 
    http://www.orkutpapa.com/scraps/happy-birthday-card-2-3.jpg
2011-04-28 15:08:12.054 XML[7053:20b] Processing Value: 
  </pre>

<p>here id my code:</p>

<pre>- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName 
  namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qualifiedName 
    attributes:(NSDictionary *)attributeDict {

    if([elementName isEqualToString:@"NewDataSet"]) {
        //Initialize the array.
    appDelegate.books = [[NSMutableArray alloc] init];
    }
    else if([elementName isEqualToString:@"Table"]) {
        aBook = [[Book alloc] init];

    }
    NSLog(@"Processing Element: %@", elementName);
}

- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string { 

    if(!currentElementValue) 
        currentElementValue = [[NSMutableString alloc] initWithString:string];
    else 
    [currentElementValue appendString:string];

    NSLog(@"Processing Value: %@", currentElementValue);

}

- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName 
  namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName {

    if([elementName isEqualToString:@"Table"]) {
        [appDelegate.books addObject:aBook];

        [aBook release];
        aBook = nil;
    }

    else if([elementName isEqualToString:@"catname"])
    {
        [aBook setValue:currentElementValue forKey:@"catname"];
       NSLog(@"elementName for catname....%@",currentElementValue);
        NSLog(@"aBook for catname....%@",aBook);
    }
    else if([elementName isEqualToString:@"subcatname"])
    {
        [aBook setValue:currentElementValue forKey:@"subcatname"];
        NSLog(@"elementName for catname....%@",currentElementValue);
        NSLog(@"aBook for catname....%@",aBook);
    }

    else if ([elementName isEqualToString:@"url"]) {
            [aBook setValue:currentElementValue forKey:@"url"];

        // [aBook setValue:currentElementValue forKey:elementName];
        NSLog(@"elementName for url....%@",currentElementValue);
        NSLog(@"aBook for url....%@",aBook);    
    }
        [currentElementValue release];
    currentElementValue = nil;
}
</pre>
