HTTP request GET response showing NULL value - ios

Question

I want to create HTTP request post and get response by using simple Objective C Code method. Here below code to I can post successfully. But I didn't receive response data's. Response printing null value only. Please help me, I need to get response data's.
Here below my code
NSString *post = [NSString stringWithFormat:#"name=%#",name];
NSData *postData = [post dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];
NSString *postLength = [NSString stringWithFormat:#"%d",[postData length]];
NSMutableURLRequest *request = [[NSMutableURLRequest alloc]init];
[request setURL:[NSURL URLWithString:[NSString stringWithFormat:URLPATH]]];
[request setHTTPMethod:#"POST"];
[request setValue:postLength forHTTPHeaderField:#"Content-Length"];
[request setHTTPBody:postData];
NSURLConnection *conn = [[NSURLConnection alloc]initWithRequest:request delegate:self];
if(conn) {
NSLog(#"Connection Successful");
} else {
NSLog(#"Connection could not be made");
}
// Create GET method
NSError *err;
NSURLResponse *responser;
NSData *responseData = [NSURLConnection sendSynchronousRequest:request returningResponse:&responser error:&err];
// JSON Formatter
NSError *error;
NSDictionary *jsonsDictionary = [NSJSONSerialization JSONObjectWithData:responseData options:kNilOptions error:&error];
NSDictionary *respon = [jsonsDictionary objectForKey:#"response"];
NSLog(#"UPDATE RESPONSE : %#", respon);

Answer 1

You's data post is NSString *post = [NSString stringWithFormat:#"name=%#",name]; . So in this case you need set request header "Content-Type" to "application/x-www-form-urlencoded" or use following code to convert string to data and set Content-Type header:
NSData *postData = [post dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:YES];
...
[request setValue:#"application/x-www-form-urlencoded; charset=utf-8" forHTTPHeaderField:#"Content-Type"];

Answer 2

Its very simple:
//-- Convert string into URL
NSString *jsonUrlString = [NSString stringWithFormat:#"demo.com/your_server_db_name/service/link"];
NSURL *url = [NSURL URLWithString:[jsonUrlString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
//-- Send request to server
NSMutableURLRequest *request = [[NSMutableURLRequest alloc]initWithURL:url];
//-- Send username & password for url authorization
[request setValue: jsonUrlString forHTTPHeaderField:#"Content-Length"];
[request setHTTPMethod:#"POST"]; //-- Request method GET/POST
//-- Receive response from server
NSData *responseData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
//-- JSON Parsing with response data
NSDictionary *result = [NSJSONSerialization JSONObjectWithData:responseData options:NSJSONReadingMutableContainers error:nil];
NSLog(#"Result = %#",result);
Sample : https://github.com/svmrajesh/Json-Sample