TextField validation

-(BOOL)validateFname:(NSString*)name {    

    if ([name length ]== 0)  {

        return NO;

    }    

    return YES;

}

- (IBAction)btnSave_Clicked:(id)sender

{

    if(![self validateFname:nametxt.text]) {

        connectFailMessage = [[UIAlertView alloc] initWithTitle:@"Error!" message:@"Food items can not be empty!"  delegate: self cancelButtonTitle:@"OK" otherButtonTitles: nil];

        connectFailMessage.tag = 1002;

        UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake(95,15,22, 22)]; 

        NSString *imgPath = [[NSString alloc] initWithString:[[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"button_cancel.png"]];

        UIImage *yourImage = [[UIImage alloc] initWithContentsOfFile:imgPath];

        [imageView setImage:yourImage];

        [yourImage release];

        [imgPath release];

        [connectFailMessage addSubview:imageView];

        [connectFailMessage show];

        UILabel *theTitle1 = [connectFailMessage valueForKey:@"_titleLabel"];

        [theTitle1 setFont:[UIFont fontWithName:@"Avenir bold" size:16]];

        [theTitle1 setTextColor:[UIColor redColor]];

        UILabel *theBody1 = [connectFailMessage valueForKey:@"_bodyTextLabel"];

        [theBody1 setFont:[UIFont fontWithName:@"Avenir" size:15]];

        [theBody1 setTextColor:[UIColor whiteColor]];

        

        return;

    }

}