Old grid definition

OldFluentDataGRid.razor

<FluentDataGrid id="defaultGrid" RowsData=RowsGrid ColumnDefinitions=ColumnsGrid GridTemplateColumns="1fr 1fr" /> @code {
    record Person(int PersonId, string Name, DateOnly BirthDate);
    
    public List<ColumnDefinition<Person>> ColumnsGrid = new();

    IQueryable<Person> people = new[]
    {
        new Person(10895, "Jean Martin", new DateOnly(1985, 3, 16)),
        new Person(10944, "António Langa", new DateOnly(1991, 12, 1)),
        new Person(11203, "Julie Smith", new DateOnly(1958, 10, 10)),
        new Person(11205, "Nur Sari", new DateOnly(1922, 4, 27)),
        new Person(11898, "Jose Hernandez", new DateOnly(2011, 5, 3)),
        new Person(12130, "Kenji Sato", new DateOnly(2004, 1, 9)),
    }.AsQueryable();
    
    protected override void OnInitialized()
    {
        ColumnsGrid.Add(new ColumnDefinition<Person>("Id", x => x.PersonId));
        ColumnsGrid.Add(new ColumnDefinition<Person>("Name", x => x.Name));
        ColumnsGrid.Add(new ColumnDefinition<Person>("Birthdate", x => x.BirthDate));

        base.OnInitialized();
    }
}