Customer.cs

public class Customer
{
    public long Id { get; set; }
    public string Name { get; set; }
    public string Firstname { get; set; }
    public string Street { get; set; }
    public string City { get; set; }
    public string State { get; set; }
    public string Postalcode { get; set; }
    public DateTime DOB { get; set; }
    public bool Tax { get; set; }
}