TXDatawebdatset caching data

WEB TMS WEB Core
7

strange ... but i use

If DM0.wdSett.Locate('Cod_Set', AItem.Text, []) Then Begin
DM0.wdGrp.Filter:=Format('Cod_Set = ''%s'' ',[AItem.Text]);
DM0.wdGrp.Filtered:=True;

with wdGrp: TXDataWebDataSet;

and go !