Flex 4.3 AdvancedDatagrid Problem

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dear community,

 

i have strange problem advanceddatagrid in flex 4.3. simple datagrid without eventhandler , on. if have less rows dont have problem. if have many datarows (in case 2000) , press f key, selects row. why?

 

now comes strange:

 

if add eventhandler listen f8 key, datagrid selects row before throws added event.

hi,

can share sample code?



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