problem with variable wrong assignment

[kikko088]

Hi at all, I have a little problem, I have a function that pass to a var a number, then I pass this var to a method that return this value, at the end I pass this value to another class.
If I define PassTag with 1,2 or 3 it work perfectly (I see on console the correct value), if I use PassTag = TAG the variable pass 0 instead 1,2 or 3.
A strange thing is that in varID put an NSLog that was print 2 times (instead 1) and the first stamp is correct while the second print is 0.
Any tips?

 ListView.h
//Variabili
	int TAG;
	int PassTag;
	
}

- (void) listener:(id) sender;
- (int) varID;

 ListView.m
- (void) listener:(id) sender
{
.....
 	TAG = [[co id] intValue];
	[self varID];
....
	[detailArg release];
}

- (int) varID
{
	// PassTag = 1;   WORK
	PassTag = TAG;  // NOT WORK
	NSLog(@"Tag = %d",PassTag);	
	return PassTag;
}

controller2.m
ListView *my_ID = [[ListView alloc] init];
variabileID = [my_ID varID];
	
NSLog(@"VariabileID da lettura database = %d",variabileID);