public virtual HttpResponseMessage DeleteCollectionLink(TKey id, string navigationProperty, string navigationId)
{
throw ODataErrors.DeletingLinkNotSupported(Request, navigationProperty);
}
/// <summary>
/// The method handles DELETE requests that attempt to break the "navigationProperty" relationship between
/// two entities.
/// </summary>
/// <param name="id">The key of the entity with the navigationProperty</param>
/// <param name="navigationProperty">The name of the navigationProperty to be modified</param>
/// <param name="link">The url of the entity to remove from the navigationProperty.
/// <remarks>
/// For singleton navigationProperties this will be NULL because you are simply setting the navigationProperty to null (so you don't need url of the previously related entity).
/// </remarks>
/// </param>
/// <returns>Until overridden this method will respond with 501 Not Implemented</returns>
public virtual HttpResponseMessage DeleteLink([FromUri] TKey id, string navigationProperty, [FromBody] Uri link)
{
throw ODataErrors.DeletingLinkNotSupported(Request, navigationProperty);
}