public void CopyFrom(VendorBase rhs)
{
ID = rhs.ID;
CompanyName = rhs.CompanyName;
Address = rhs.Address;
Email = rhs.Email;
MobileNumber = rhs.MobileNumber;
City = rhs.City;
State = rhs.State;
}
public VendorBase(VendorBase rhs)
{
CopyFrom(rhs);
}