Read csv file into wpf C#

public MainWindow()
{
    InitializeComponent();

    // We can access ListViewPeople here because that's the Name of our list
    // using the x:Name property in the designer.
    ListViewPeople.ItemsSource = ReadCSV("example");
}public IEnumerable<Person> ReadCSV(string fileName)
{
    // We change file extension here to make sure it's a .csv file.
    // TODO: Error checking.
    string[] lines = File.ReadAllLines(System.IO.Path.ChangeExtension(fileName, ".csv"));

    // lines.Select allows me to project each line as a Person. 
    // This will give me an IEnumerable<Person> back.
    return lines.Select(line =>
    {
        string[] data = line.Split(';');
        // We return a person with the data in order.
        return new Person(data[0], data[1], Convert.ToInt32(data[2]), data[3]);
    });
}<ListView x:Name="ListViewPeople">
    <ListView.View>
        <GridView>
            <GridViewColumn Header="First name" Width="100" DisplayMemberBinding="{Binding Path=FirstName}"/>
            <GridViewColumn Header="Last name" Width="150" DisplayMemberBinding="{Binding Path=LastName}"/>
            <GridViewColumn Header="ID" Width="40" DisplayMemberBinding="{Binding Path=ID}"/>
            <GridViewColumn Header="Email" Width="200" DisplayMemberBinding="{Binding Path=Email}"/>
        </GridView>
    </ListView.View>
</ListView>public class Person
{
    public string FirstName { get; set; }
    public string LastName { get; set; }
    public int ID { get; set; }
    public string Email { get; set; }

    public Person(string firstName, string lastName, int id, string email)
    {
        FirstName = firstName;
        LastName = lastName;
        ID = id;
        Email = email;
    }
}