Appending data from downloaded from the web in NSMutableData - iphone

Question

I'm trying to append data from a CSV file that I'm getting form the internet. Something is going wrong and I can't figure out what. My log is not returning anything for "Field" or "Value". I'm holding the data as NSMutableData and trying to append it. Am I overwriting it in any way? Something in the data storage/retrieval process must be going wrong... Could you pls take a look at this code and tell me if I'm doing something wrong:
#import "ViewController.h"
#import "CHCSVParser.h"
#interface ViewController ()
#end
#implementation ViewController
#synthesize parser = _parser;
bool isStatus;
#synthesize apendData;
-(void) connectionDidFinishLoading:(NSURLConnection *)connection
{
NSLog(#"connectionDidFinishLoading");
NSString *myString;
myString = [[NSString alloc] initWithData: apendData encoding:NSUTF8StringEncoding];
_parser = [[CHCSVParser alloc] initWithContentsOfCSVFile:[NSHomeDirectory() stringByAppendingPathComponent:myString]];
_parser.delegate = self;
[_parser parse];
}
-(void) connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
{
NSLog(#"data: %#", data);
if (apendData)
[apendData appendData:data];
else
apendData = [[NSMutableData alloc] initWithData:data];
}
- (void)loadDatafromURL
{
NSURL *url = [NSURL URLWithString:#"http://www.google.com/trends/trendsReport?hl=en-US&cat=0-13&date=today%207-d&cmpt=q&content=1&export=1"];
NSURLRequest *request = [NSURLRequest requestWithURL:url];
[NSURLConnection connectionWithRequest:request delegate:self];
}
- (void) connection:(NSURLConnection *)connection didFailWithError:(NSError *)error{
NSLog(#"%#", [error description]);
}
- (void)parser:(CHCSVParser *)parser didBeginLine:(NSUInteger)recordNumber
{
if (recordNumber == 41) {
isStatus = YES;
NSLog(#"ParsingStart..."); // Not getting this
}
}
- (void)parser:(CHCSVParser *)parser didEndLine:(NSUInteger)recordNumber
{
if (recordNumber == 50) {
NSLog(#"ParsingEnd..."); // Not getting this
[parser cancelParsing];
}
}
- (void)parser:(CHCSVParser *)parser didReadField:(NSString *)field atIndex:(NSInteger)fieldIndex
{
if ((isStatus = YES)) {
NSLog(#"YES is working");
if (fieldIndex == 0) {
NSLog(#"Field = %#", field); // Just getting "Field = "
}
if (fieldIndex == 1){
NSLog(#"Value = %#", field); // Not getting this
}
}
}
- (void)viewDidLoad
{
[super viewDidLoad];
[self loadDatafromURL];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
#end