Get primitive, complex, ArrayEnumerable types

I have a separate class for each of my database entities and when I create an object of my class to reference the properties of a class it returns a circular reference which contains properties of other entities too that are related via FK ... to remove the circular reference I want to first make a copy of the object through "context proxy object" copy and then get the primitive, complex开发者_JAVA技巧, arrayEnumerable types of that object and strip off these types from the object and then the object get returned by web service....

Sounds like a recursive shallow clone. I've used the following but only one level deep.

public static class EntityBaseExtensions
{
    /// <summary>
    /// Description:    Creates a non-recursive shallow copy of an entity, only including public instance properties decorated with ColumnAttribute.
    ///                 This will return an object without entity references.
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="source"></param>
    /// <returns>A non-recursive shallow copy of a LINQ entity</returns>
    public static T ShallowClone<T>(this T source) where T : EntityBaseClass
    {
        // create an object to copy values into
        T destination = Activator.CreateInstance<T>();

        // get source and destination property infos for all public instance
        PropertyInfo[] sourcePropInfos = source.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance);
        PropertyInfo[] destinationPropInfos = source.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance);

        foreach (PropertyInfo sourcePropInfo in sourcePropInfos)
        {
            if (Attribute.GetCustomAttribute(sourcePropInfo, typeof(ColumnAttribute), false) != null)
            {
                PropertyInfo destPropInfo = destinationPropInfos.Where(pi => pi.Name == sourcePropInfo.Name).First();

                destPropInfo.SetValue(destination, sourcePropInfo.GetValue(source, null), null);
            }
        }

        return destination;
    }

}