/// <summary>
        /// Binds the grid.
        /// </summary>
        private void BindGrid()
        {
            var rockContext = new RockContext();
            var recordTypeValueId = DefinedValueCache.Read( Rock.SystemGuid.DefinedValue.PERSON_RECORD_TYPE_BUSINESS.AsGuid() ).Id;
            var activeRecordStatusValueId = DefinedValueCache.Read( Rock.SystemGuid.DefinedValue.PERSON_RECORD_STATUS_ACTIVE.AsGuid() ).Id;
            int? businessRoleId = new GroupTypeRoleService( rockContext ).Queryable()
                .Where( r =>
                    r.Guid.Equals( new Guid( Rock.SystemGuid.GroupRole.GROUPROLE_KNOWN_RELATIONSHIPS_BUSINESS ) ) )
                .Select( r => r.Id )
                .FirstOrDefault();
            var queryable = new PersonService( rockContext ).Queryable()
                .Where( q => q.RecordTypeValueId == recordTypeValueId && q.RecordStatusValueId == activeRecordStatusValueId );

            // Business Name Filter
            var businessName = gfBusinessFilter.GetUserPreference( "Business Name" );
            if ( !string.IsNullOrWhiteSpace( businessName ) )
            {
                queryable = queryable.Where( a => a.FirstName.Contains( businessName ) );
            }

            // Owner Filter
            int ownerId = 0;
            if ( int.TryParse( gfBusinessFilter.GetUserPreference( "Owner" ), out ownerId ) && ownerId != 0 )
            {
                var members = queryable.SelectMany( a => a.Members ).ToList();
                foreach ( var member in members )
                {
                    if ( member.GroupRoleId == businessRoleId )
                    {
                        var groupMemberService = new GroupMemberService( rockContext );
                        var owner = groupMemberService.GetInverseRelationship( member, false, CurrentPersonAlias );
                        if ( owner.PersonId != ownerId )
                        {
                            queryable = queryable.Where( a => a.Id != member.PersonId );
                        }
                    }
                }
            }

            SortProperty sortProperty = gBusinessList.SortProperty;
            if ( sortProperty != null )
            {
                gBusinessList.DataSource = queryable.Sort( sortProperty ).ToList();
            }
            else
            {
                gBusinessList.DataSource = queryable.OrderBy( q => q.FirstName ).ToList();
            }

            gBusinessList.DataBind();
        }