Flex新手问题，不知道哪地方犯傻了

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Flex新手问题，不知道哪地方犯傻了5

新手代码，不规范的见谅！
这是我根据不同的情况执行不同的监听器。都没报错
as文件

if(flag==1){
		tileList.addEventListener(ListEvent.ITEM_CLICK,getDataHandler1);
		}	
		if(flag==2){
			tileList.addEventListener(ListEvent.ITEM_CLICK,getDataHandler2);
		}
		if(flag==3){
			tileList.addEventListener(ListEvent.ITEM_CLICK,getDataHandler3);
		}

监听执行方法
第2段代码报错，year2、month2、day2、hour2属性未定义！

public function getDataHandler1(event:ListEvent):void{
	resultTime.text = nowTime.fullYear + "-" + (nowTime.month+1) + "-" 
		+ event.target.selectedItems + " " +hourF.value
		+ ":" + minuteF.value + ":" +nowTime.seconds;
	year1.text = nowTime.fullYear.toString();
	month1.text=(nowTime.month+1).toString();
	day1.text=event.target.selectedItems.toString();
	hour1.text=hourF.value.toString();
}

public function getDataHandler2(event:ListEvent):void{
	resultTime.text = nowTime.fullYear + "-" + (nowTime.month+1) + "-" 
		+ event.target.selectedItems + " " +hourF.value
		+ ":" + minuteF.value + ":" +nowTime.seconds;
	year2.text = nowTime.fullYear.toString();
	month2.text=(nowTime.month+1).toString();
	day2.text=event.target.selectedItems.toString();
	hour2.text=hourF.value.toString();
}
public function getDataHandler3(event:ListEvent):void{
	resultTime.text = nowTime.fullYear + "-" + (nowTime.month+1) + "-" 
		+ event.target.selectedItems + " " +hourF.value
		+ ":" + minuteF.value + ":" +nowTime.seconds;
	cyear.text = nowTime.fullYear.toString();
	cmonth.text=(nowTime.month+1).toString();
	cday.text=event.target.selectedItems.toString();
	chour.text=hourF.value.toString();
	returnTime.text =  resultTime.text;
}

mxml文件，都是一样的！

<mx:HBox width="100%">
			<mx:Label text="交班人员:"  id="jiaobry_"/>
			<mx:TextInput id="jiaobry" width="100"/>
			<mx:Label text="交班时间:" id="jiaobansj_"/>
			<mx:TextInput id="year1" width="40"/>
			<mx:Label text="年"  />
			<mx:TextInput id="month1" width="30"/>
			<mx:Label text="月" />
			<mx:TextInput id="day1" width="30"/>
			<mx:Label text="日" />
			<mx:TextInput id="hour1"  width="30"/>
			<mx:Label text="时 " />
			<mx:Button x="142" y="2" icon="@Embed(source='com/sddl/assets/images/datagrid/dataCompare.png')"
					   fontWeight="normal" width="22" click="open(event,num=1)" height="22"/>
		</mx:HBox>
		<mx:HBox width="100%">
			<mx:Label text="接班人员:"  id="jbry_"/>
			<mx:TextInput id="jbry" width="100" />
			<mx:Label text="接班时间:" id="jbsj_"/>
			<mx:TextInput width="40" id="year2"/>
			<mx:Label text="年"  />
			<mx:TextInput width="30" id="month2"/>
			<mx:Label text="月" />
			<mx:TextInput width="30" id="day2"/>
			<mx:Label text="日" />
			<mx:TextInput width="30" id="hour2"/>
			<mx:Label text="时 " />
			<mx:Button x="142" y="2" icon="@Embed(source='com/sddl/assets/images/datagrid/dataCompare.png')"
					   fontWeight="normal" width="22" click="open(event,num=2)" height="22"/>
		</mx:HBox>
		<mx:HBox width="100%">
			<mx:Label text="单位名称:" />
			<mx:TextInput id="dwmc" width="100"/>
			<mx:Label text="填报时间:" id="tbsj_"/>
			<mx:TextInput  width="40" id="cyear"/>
			<mx:Label text="年" />
			<mx:TextInput  width="30" id="cmonth"/>
			<mx:Label text="月" />
			<mx:TextInput  width="30" id="cday"/>
			<mx:Label text="日 " />
			<mx:TextInput  width="30" id="chour"/>
			<mx:Label text="时 " />
			<mx:TextInput x="0" y="0" width="140" height="25" 
						  editable="{initeditable}" id="returnTime" text="{initvalue}"/>
			<mx:Button x="142" y="2" icon="@Embed(source='com/sddl/assets/images/datagrid/dataCompare.png')"
					   fontWeight="normal" width="22" click="open(event,num=3)" height="22"/>
		</mx:HBox>