Problem handling popup is created on datagrid

Question

hi ~!
I've been in trouble for a few days because of popup on
datagrid.
I made a grid in parent App and when clicking any row, the
popup show.
if i open and close once, it goes well however I open again
and ERROR: #1010 occurs while closing popup.
does anyone have any idea???
Please make me escape from that Error message......

Answer 1

error #1010
at mx.controls::DataGrid/::commitEditedItemPosition()
at
mx.controls::DataGrid/mx.controls:DataGrid::updateDisplayList()
at mx.core::UIComponent/validateDisplayList()
at mx.managers::LayoutManager/::validateDisplayList()
at mx.managers::LayoutManager/::doPhasedInstantiation()
at Function/
http://adobe.com/AS3/2006/builtin::apply()
at mx.core::UIComponent/::callLaterDispatcher2()
at mx.core::UIComponent/::callLaterDispatcher()
this is parent Codes
<?xml version="1.0"?>
<mx:Application xmlns:mx="
http://www.adobe.com/2006/mxml">
<mx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
import mx.managers.PopUpManager;
import mx.core.IFlexDisplayObject;
[Bindable]
public var resultList:ArrayCollection = new ArrayCollection
{jipockUnionResultNo:"sss",lineName:"aa",selectYN:"aaa"},
{jipockUnionResultNo:"sss",lineName:"aa",selectYN:"aaa"},
{jipockUnionResultNo:"sss",lineName:"aa",selectYN:"aaa"},
{jipockUnionResultNo:"sss",lineName:"aa",selectYN:"aaa"},
{jipockUnionResultNo:"sss",lineName:"aa",selectYN:"aaa"},
{jipockUnionResultNo:"sss",lineName:"aa",selectYN:"aaa"},
{jipockUnionResultNo:"sss",lineName:"aa",selectYN:"aaa"},
{jipockUnionResultNo:"sss",lineName:"aa",selectYN:"aaa"}
private function showLogin():void {
var mf:MyLoginForm =
MyLoginForm(PopUpManager.createPopUp(this, MyLoginForm,
true));
mf.selectedIdx = dgHeaderResult.selectedIndex;
mf.mainApp = this;
]]>
</mx:Script>
<mx:VBox width="300" height="300">
<mx:Button click="showLogin();" label="Login"/>
<mx:DataGrid id="dgHeaderResult" width="40%"
height="100%" editable="true"
dataProvider="{resultList}" change="showLogin();">
<mx:columns>
<mx:DataGridColumn headerText="jipockUnionResultNo"
dataField="jipockUnionResultNo" editable="false"/>
<mx:DataGridColumn headerText="lineName"
dataField="lineName" editable="false"/>
<mx:DataGridColumn headerText="selectYN"
dataField="selectYN" editable="false"/>
</mx:columns>
</mx:DataGrid>
</mx:VBox>
</mx:Application>
this is popup codes
<?xml version="1.0" encoding="utf-8"?>
<mx:TitleWindow xmlns:mx="
http://www.adobe.com/2006/mxml"
x="20" y="20" width="900" height="600"
showCloseButton="true" close="removePop();" alpha="100">
<mx:Script>
<![CDATA[
import mx.core.Application;
import mx.events.CloseEvent;
import mx.managers.PopUpManager;
import mx.controls.Alert;
[Bindable]
public var selectedIdx:int;
[Bindable]
public var mainApp:Object;
private function removePop():void {
PopUpManager.removePopUp(this);
]]>
</mx:Script>
<mx:HBox width="100%">
<mx:Button id="btnTest" click="{Alert.show('gg');}"
label="test"/>
</mx:HBox>
</mx:TitleWindow>
thanx for your intention ......