What is wrong with this datagrid not sending back data to mysql

I am brand new to flashbuilder and looking over everything, I cannot figure out what I am missing to make this grid send data back to the mysql database.

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" 
			   xmlns:s="library://ns.adobe.com/flex/spark" 
			   xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600" xmlns:pricingservice="services.pricingservice.*">
	<fx:Script>
		<![CDATA[
			import mx.controls.Alert;
			import mx.events.DataGridEvent;
			import mx.events.FlexEvent;
			
			protected function dataGrid_creationCompleteHandler(event:FlexEvent):void
			{
				getAllpricingResult.token = pricingService.getAllpricing();
			}
			

			protected function dataGrid_itemEditEndHandler(event:DataGridEvent):void
			{
				PricingService.updatepricing(Pricing);
			}


		]]>
	</fx:Script>
	<fx:Declarations>
		<s:CallResponder id="updatepricingResult"/>
		<pricingservice:PricingService id="pricingService" fault="Alert.show(event.fault.faultString + '\n' + event.fault.faultDetail)" showBusyCursor="true"/>
		<s:CallResponder id="getAllpricingResult"/>
		<!-- Place non-visual elements (e.g., services, value objects) here -->
	</fx:Declarations>
	<mx:DataGrid id="dataGrid" creationComplete="dataGrid_creationCompleteHandler(event)" dataProvider="{getAllpricingResult.lastResult}" editable="true" itemEditEnd="dataGrid_itemEditEndHandler(event)" change="dataGrid_changeHandler(event)" enabled="true" horizontalCenter="124" verticalCenter="-77">
		<mx:columns>
			<mx:DataGridColumn headerText="idPricing" dataField="idPricing"/>
			<mx:DataGridColumn headerText="PieceType" dataField="PieceType"/>
			<mx:DataGridColumn headerText="PrintPrice" dataField="PrintPrice"/>
			<mx:DataGridColumn headerText="DBPostage" dataField="DBPostage"/>
			<mx:DataGridColumn headerText="SatPostage" dataField="SatPostage"/>
			<mx:DataGridColumn headerText="SatList" dataField="SatList"/>
			<mx:DataGridColumn headerText="TradAddressing" dataField="TradAddressing"/>
			<mx:DataGridColumn headerText="VariableAddressing" dataField="VariableAddressing"/>
			<mx:DataGridColumn headerText="ShippingMailOnly" dataField="ShippingMailOnly"/>
			<mx:DataGridColumn headerText="TradDBTotal" dataField="TradDBTotal"/>
			<mx:DataGridColumn headerText="VariableDBTotal" dataField="VariableDBTotal"/>
			<mx:DataGridColumn headerText="TradSatTotal" dataField="TradSatTotal"/>
			<mx:DataGridColumn headerText="VariableSatTotal" dataField="VariableSatTotal"/>
		</mx:columns>
	</mx:DataGrid>
</s:Application>

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