NSString *post = [Util append:@"&entry.xxxxx=", self.firstName.text, @"&entry.yyyyyyy=", self.phone.text, @"&entry.zzzzzzzz=", self.email.text, nil];
NSData *postData = [post dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];
NSString *postLength = [NSString stringWithFormat:@"%d", [postData length]];

NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
[request setURL:[NSURL URLWithString:@"https://docs.google.com/forms/d/FORM_ID/formResponse"]];
[request setHTTPMethod:@"POST"];
[request setValue:postLength forHTTPHeaderField:@"Content-Length"];
[request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
[request setHTTPBody:postData];

NSHTTPURLResponse* urlResponse = nil;
NSError *error = [[NSError alloc] init];
[NSURLConnection sendSynchronousRequest:request returningResponse:&urlResponse error:&error];

NSString *post = [Util append:@"&entry.xxxxx=", self.firstName.text, @"&entry.yyyyyyy=", self.phone.text, @"&entry.zzzzzzzz=", self.email.text, nil];
post =[post stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSData *postData = [post dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:YES];

NSURL *url =[NSURL URLWithString:@"https://docs.google.com/forms/d/FORM_ID/formResponse"];
ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:url];

[request addPostValue:self.firstName.text forKey:@"entry.xxxx"];
[request addPostValue:self.phone.text forKey:@"entry.yyyy"];
[request addPostValue:self.email.text forKey:@"entry.zzzz"];

[request startAsynchronous];

NSString *post = [Util append:@"&entry.xxxxx=", self.firstName.text, @"&entry.yyyyyyy=", self.phone.text, @"&entry.zzzzzzzz=", self.email.text, nil];
NSData *postData = [post dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:YES];
NSString *postLength = [NSString stringWithFormat:@"%d", [postData length]];

NSString *encodeUrl  = [@"document/d/Hphb4NsfxZLxTl7p3LMCWCpm9MCWskgoTFWzhP1Fpqap/edit" stringByAddingPercentEscapesUsingEncoding: NSUTF8StringEncoding];

//setup the post using AFHTTPClient
AFHTTPClient *afHttpRequest = [[[AFHTTPClient alloc] initWithBaseURL:[NSURL URLWithString:@"https://docs.google.com"]] autorelease];
NSURLRequest *request = [afHttpRequest requestWithMethod:@"POST" path:encodeUrl parameters:post];

//loading indicator
[[AFNetworkActivityIndicatorManager sharedManager] setEnabled:YES];
[[AFNetworkActivityIndicatorManager sharedManager] incrementActivityCount];

[AFJSONRequestOperation addAcceptableContentTypes:[NSSet setWithObject:@"text/html"]];
AFJSONRequestOperation *operation = [AFJSONRequestOperation JSONRequestOperationWithRequest:request
    success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON){
        //some response
    }
    failure:^(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, id JSON){
        //the request fails
    }
];
//fire the request
[operation start];