flex - Datagrid wont sort -


i have project, datagrids sort fine except one. going through construction of flex components, don't detect differences, when click column header, nothing happens, mean, see button feedback, fields wont sort. if click other columns in same datagrid, sort, it's 1 column not working.

i'm using old version of flex sdk: 3.0.1, so, no spark.

any tests see happening?.

thanks.

edit.: works desc order, mean, when order datagrid other columns, can click problematic column , order once, , desc only, if click again, doesn't order asc back.

alright, missing datafield property, once assigned it, started work again. anyway.


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