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1. Set up a state variable to track the search query and the filtered results. For example:

const [searchQuery, setSearchQuery] = useState("");
const [filteredItems, setFilteredItems] = useState(items);

1. Add a text input component to the page that will allow users to input their search query.

<TextField
  label="Search"
  value={searchQuery}
  onChange={(event) => setSearchQuery(event.target.value)}
/>

1. Create a function that will filter the currently displayed data when the search query changes.

const handleSearch = (query) => {
  const filteredData = items.filter((item) =>
    item.name.toLowerCase().includes(query.toLowerCase())
  );
  setFilteredItems(filteredData);
};

1. Use the useEffect hook to call the handleSearch function whenever the searchQuery state variable changes.

useEffect(() => {
  handleSearch(searchQuery);
}, [searchQuery]);

1. Update the Data Grid component to use the filteredItems state variable instead of the original items array.

<DataGrid rows={filteredItems} columns={columns} />

This will allow the search feature to only filter the currently displayed results, rather than the entire dataset.