UIToolbar*keyboardDoneButtonView = [[UIToolbaralloc]init];
[keyboardDoneButtonView sizeToFit];
UIBarButtonItem*doneButton = [[UIBarButtonItem alloc] initWithTitle:@"Done"
style:UIBarButtonItemStyleBordered target:self
action:@selector(doneClicked:)];
[keyboardDoneButtonView setItems:[NSArray arrayWithObjects:doneButton,nil]];
txtField.inputAccessoryView = keyboardDoneButtonView;
