/// <summary>
        /// Handles the Click event of the btnSaveDefinedValue control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
        protected void btnSaveValue_Click( object sender, EventArgs e )
        {
            DefinedValue definedValue;
            DefinedValueService definedValueService = new DefinedValueService();

            int definedValueId = hfDefinedValueId.ValueAsInt();

            if ( definedValueId.Equals( 0 ) )
            {
                int definedTypeId = hfDefinedTypeId.ValueAsInt();
                definedValue = new DefinedValue { Id = 0 };
                definedValue.DefinedTypeId = definedTypeId;
                definedValue.IsSystem = false;

                var orders = definedValueService.Queryable()
                    .Where( d => d.DefinedTypeId == definedTypeId )
                    .Select( d => d.Order)
                    .ToList();
                
                definedValue.Order = orders.Any() ? orders.Max() + 1 : 0;
            }
            else
            {
                definedValue = definedValueService.Get( definedValueId );
            }

            definedValue.Name = tbValueName.Text;
            definedValue.Description = tbValueDescription.Text;
            definedValue.LoadAttributes();
            Rock.Attribute.Helper.GetEditValues( phDefinedValueAttributes, definedValue );

            if ( !Page.IsValid )
            {
                return;
            }

            if ( !definedValue.IsValid )
            {
                // Controls will render the error messages                    
                return;
            }

            RockTransactionScope.WrapTransaction( () =>
            {
                if ( definedValue.Id.Equals( 0 ) )
                {
                    definedValueService.Add( definedValue, CurrentPersonId );
                }

                definedValueService.Save( definedValue, CurrentPersonId );
                Rock.Attribute.Helper.SaveAttributeValues( definedValue, CurrentPersonId );

                Rock.Web.Cache.DefinedTypeCache.Flush( definedValue.DefinedTypeId );
                Rock.Web.Cache.DefinedValueCache.Flush( definedValue.Id );
            } );
                        
            BindDefinedValuesGrid();

            hfDefinedValueId.Value = string.Empty;
            modalValue.Hide();
        }
        /// <summary>
        /// Handles the Delete event of the gDefinedValues control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="RowEventArgs" /> instance containing the event data.</param>
        protected void gDefinedValues_Delete( object sender, RowEventArgs e )
        {
            var valueService = new DefinedValueService();

            DefinedValue value = valueService.Get( (int)e.RowKeyValue );

            DefinedTypeCache.Flush(value.DefinedTypeId);
            DefinedValueCache.Flush(value.Id);

            if ( value != null )
            {
                valueService.Delete( value, CurrentPersonId );
                valueService.Save( value, CurrentPersonId );
            }

            BindDefinedValuesGrid();
        }
        /// <summary>
        /// Handles the Delete event of the gDefinedType control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="RowEventArgs" /> instance containing the event data.</param>
        protected void gDefinedType_Delete( object sender, RowEventArgs e )
        {
            var definedValueService = new DefinedValueService();
            var definedTypeService = new DefinedTypeService();

            DefinedType type = definedTypeService.Get( e.RowKeyId );

            if ( type != null )
            {
                string errorMessage;
                if ( !definedTypeService.CanDelete( type, out errorMessage ) )
                {
                    mdGridWarning.Show( errorMessage, ModalAlertType.Information );
                    return;
                }

                // if this DefinedType has DefinedValues, see if they can be deleted
                var definedValues = definedValueService.GetByDefinedTypeId( type.Id ).ToList();

                foreach ( var value in definedValues )
                {
                    if ( !definedValueService.CanDelete( value, out errorMessage ) )
                    {
                        mdGridWarning.Show( errorMessage, ModalAlertType.Information );
                        return;
                    }
                }

                RockTransactionScope.WrapTransaction( () =>
                {
                    foreach ( var value in definedValues )
                    {
                        definedValueService.Delete( value, CurrentPersonId );
                        definedValueService.Save( value, CurrentPersonId );
                    }

                    definedTypeService.Delete( type, CurrentPersonId );
                    definedTypeService.Save( type, CurrentPersonId );
                } );
            }

            gDefinedType_Bind();
        }
        /// <summary>
        /// Handles the Delete event of the rGridValue control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="RowEventArgs" /> instance containing the event data.</param>
        protected void rGridValue_Delete( object sender, RowEventArgs e )
        {
            var valueService = new DefinedValueService();

            DefinedValue value = valueService.Get( (int)rGridValue.DataKeys[e.RowIndex]["id"] );

            if ( value != null )
            {
                valueService.Delete( value, CurrentPersonId );
                valueService.Save( value, CurrentPersonId );
            }

            rGridValue_Bind( hfIdType.Value );
        }
        /// <summary>
        /// Handles the Delete event of the rGridType control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="RowEventArgs" /> instance containing the event data.</param>
        protected void rGridType_Delete( object sender, RowEventArgs e )
        {
            DefinedType type = new DefinedTypeService().Get( (int)rGridType.DataKeys[e.RowIndex]["id"] );

            var valueService = new DefinedValueService();
            var typeService = new DefinedTypeService();

            if ( type != null )
            {
                // if this DefinedType has DefinedValues, delete them
                var hasDefinedValues = valueService
                .GetByDefinedTypeId( type.Id )
                .ToList();

                foreach ( var value in hasDefinedValues )
                {
                    valueService.Delete( value, CurrentPersonId );
                    valueService.Save( value, CurrentPersonId );
                }

                typeService.Delete( type, CurrentPersonId );
                typeService.Save( type, CurrentPersonId );
            }

            rGridType_Bind();
        }
        /// <summary>
        /// Handles the Click event of the btnSaveValue control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
        protected void btnSaveValue_Click( object sender, EventArgs e )
        {
            using ( new Rock.Data.UnitOfWorkScope() )
            {
                DefinedValueService valueService = new DefinedValueService();

                DefinedValue definedValue;

                int valueId = ( ( hfIdValue.Value ) != null && hfIdValue.Value != String.Empty ) ? Int32.Parse( hfIdValue.Value ) : 0;
                if ( valueId == 0 )
                {
                    definedValue = new DefinedValue();
                    definedValue.IsSystem = false;
                    definedValue.DefinedTypeId = Int32.Parse( hfIdType.Value );
                    valueService.Add( definedValue, CurrentPersonId );
                }
                else
                {
                    Rock.Web.Cache.AttributeCache.Flush( valueId );
                    definedValue = valueService.Get( valueId );
                }

                definedValue.Name = tbValueName.Text;
                definedValue.Description = tbValueDescription.Text;
                /*

                Parse attribute values from controls list

                */

                if ( phAttrControl.Controls.Count > 0 )
                {

                }

                valueService.Save( definedValue, CurrentPersonId );
            }

            rGridValue_Bind( hfIdType.Value );

            modalValues.Hide();
            pnlValues.Visible = true;
        }