data grid 1069# Error

NadirHussain — Wed, 23 Mar 2011 05:52:30 GMT

Dear All
I am using Flexviewer. I have one widget and here i place data grid on the data grid column i have check boxes.on the check event i write the event handler as a public method.but when the check event fire it throws error #1069.it means it is not finding my event handler.i try my best.but so for not succded.if i dont use flex viewer for widgets this works.but for widgets not work.so how can i call my public event handler in this criteria.pls help.

<mx:DataGrid id="dgLegend" width="100%" height="100%" borderStyle="none" >
            <mx:columns>
            <mx:DataGridColumn headerText="" width="240" dataField="label" backgroundColor="white" />
            <mx:DataGridColumn headerText="" width="130"   textAlign="center" backgroundColor="white" >
            <mx:itemRenderer>
               <mx:Component>

public function cbx_Click(e:Event, issueID:String,systemDescription:String):void
                       {
                        try
                          {                        if(e.currentTarget.selected)
{
   clickAction("true",systemDescription,cp.selectedColor.toString(16));
}
        else
{
clickAction("false",systemDescription,cp.selectedColor.toString(16));
}

                          }
                 catch (erObject:Error) { Alert.show(erObject.message.toString());}
                      }

                                      public function changeEvtPicker(e:Event, issueID:String,systemDescription:String):void
                                   {
                                      try
                     {
                     clickAction("true",systemDescription,e.currentTarget.selectedItem.toString(16));
                    }
                                         catch (erObject:Error) { Alert.show(erObject.message.toString());}
                                   }


              ]]>
         </mx:Script>
                     <mx:ColorPicker id="cp" showTextField="true" selectedColor="{data.clr}" change="changeEvtPicker(event,data.selected,data.label)"/>
      <mx:CheckBox    id="cbxComplete" selected="{data.selected}"   click="cbx_Click(event,data.selected,data.label)" />
      </mx:HBox>
                  </mx:Component>
                  </mx:itemRenderer>
                  </mx:DataGridColumn>
                  </mx:columns>
                  </mx:DataGrid>

public function clickAction(strTrueFalse:String,strLabel:String,strNewClr:String):void
          {
           Alert.show("i am in click Action:");
                                 }

click action is outside from the script block of datagrid.how to call this. in widget enviornment.

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data grid 1069# Error