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DataGrid and ScrollPane: error #1009

Flash CS4, AS 3.0:
In the example below I get the error #1009 (executing the last line of code). No idea why. Please help:

import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridColumn;
import fl.data.DataProvider;
import fl.events.DataGridEvent;
import fl.controls.listClasses.CellRenderer;
import fl.controls.dataGridClasses.HeaderRenderer;

var mc1:MovieClip = new MovieClip();
var dgSortiment:DataGrid = new DataGrid();
var dp:DataProvider = new DataProvider();


//Add some data
dp.addItem({Matchcode: "Test1"});
dp.addItem({Matchcode: "Test2"});
dp.addItem({Matchcode: "Test3"});

scrollPane1.source=mc1;  //After executing, error occurs

Thanks for your help

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1 Solution

is the error access of undefined property?

is scrollPane1 placed directly on the stage with the correct instance name?
or have you placed it at runtime using addChild somewhere?

formiAuthor Commented:
Thanks for your answer:

the error is (translated from german ...): TypeError: Error #1009: access impossible on a property or method of a null-object-link.

I placed the scrollPane directly on the stage.
okay  i copied and pasted your code exactly as it is.
Placed an instance of the datagrid and scrollpane components on the stage.
deleted the datagrid (so its just in the library)

gave the scrollpane an instance name of scrollPane1

ran the movie.
works fine, no error messages.

if i don't place the scrollpane on the stage with instance name,  I get the error you refer to .
so suggestion check your instance name otherwise upload your file (change.fla extension to .txt)
formiAuthor Commented:
I didn't know that one has to put a dynamically created component to add (and delete) it on the stage. This was the only problem. Thanks a lot!

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