import * as React from 'react'; import Box from '@mui/material/Box'; import Button from '@mui/material/Button'; import Dialog from '@mui/material/Dialog'; import DialogActions from '@mui/material/DialogActions'; import DialogContent from '@mui/material/DialogContent'; import DialogTitle from '@mui/material/DialogTitle'; import InputLabel from '@mui/material/InputLabel'; import OutlinedInput from '@mui/material/OutlinedInput'; import MenuItem from '@mui/material/MenuItem'; import FormControl from '@mui/material/FormControl'; import Select from '@mui/material/Select'; export default function DialogSelect() { const [open, setOpen] = React.useState(false); const [age, setAge] = React.useState(''); const handleChange = (event) => { setAge(Number(event.target.value) || ''); }; const handleClickOpen = () => { setOpen(true); }; const handleClose = (event, reason) => { if (reason !== 'backdropClick') { setOpen(false); } }; return (