DataGrid Basic

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hi there!

i can't use datagrid!
in first frame wrote:

import mx.controls.datagrid;
import mx.controls.gridclasses.datagridcolumn;
mx.accessibility.datagridaccimpl.enableaccessibility();

but output window warns me datagridcolumn class or interface cannot load.

what mean?

i thank in advance help.

best regards,
gerry

right, need datagridcolumn class too:

import mx.controls.gridclasses.datagridcolumn;



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