-(IBAction)Login_Method:(id)sender withpassword:(id)password
{

}

//username and password are UITextfields
-(IBAction)Login_Method:(id)sender
{
  id name=[username text];
  id pass=[password text];
}

- (IBAction) actionMethod:(id)sender

- (void)action
- (void)action:(id)sender
- (void)action:(id)sender forEvent:(UIEvent *)event

// in your interface (header file):
IBOutlet UITextField *userNameTextField;

// in your implementation file:
NSString *userName = userNameTextField.text;