UITextView

• (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText: (NSString *)text
  {
  if([text isEqualToString:@"\n"]){

    [textView resignFirstResponder];
    
    return NO;
  

  }
  if (range.location>100)
  {

    return  NO;
  

  }
  else
  {
  return YES;
  }
  }