Clean copy of LinqToSQL Entity object

// Instanciate new object and copy all properties from old Bill ("clean" copy)

Bill billNew = (Bill)Entity.Copy(billOld, new Bill());

public static class Entity

{

    /// <summary>

    /// Copies an LinqToSQL entity object ("clean" copy)

    /// </summary>

    /// <param name="source">Source Entity object</param>

    /// <param name="destination">Destination Entity object</param>

    /// <returns>Destination Entity object with all properties copied from Source object</returns>

    public static object Copy(object source, object destination)

    {

        System.Reflection.PropertyInfo[] sourceProps = source.GetType().GetProperties();

        System.Reflection.PropertyInfo[] destinationProps = destination.GetType().GetProperties();

        foreach (System.Reflection.PropertyInfo sourceProp in sourceProps)

        {

            ColumnAttribute column = Attribute.GetCustomAttribute(sourceProp, typeof(ColumnAttribute)) as ColumnAttribute;

            if (column != null && !column.IsPrimaryKey)

            {

                foreach (System.Reflection.PropertyInfo destinationProp in destinationProps)

                {

                    if (sourceProp.Name == destinationProp.Name && destinationProp.CanWrite)

                    {

                        destinationProp.SetValue(destination, sourceProp.GetValue(source, null), null);

                        break;

                    }

                }

            }

        }

        return destination;

    }

}