/// <summary>
/// Get the roles for a Role Group
/// </summary>
/// <param name="portalId">Id of the portal</param>
/// <param name="roleGroupId">Id of the Role Group (If -1 all roles for the portal are
/// retrieved).</param>
/// <returns>An ArrayList of RoleInfo objects</returns>
public ArrayList GetRolesByGroup(int portalId, int roleGroupId)
{
return(provider.GetRolesByGroup(portalId, roleGroupId));
}