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delphibbsme
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使用TQuery,TMemTableEh ,其中TMemTableEh property CachedUpdates:=True;
qSell: TQuery;
dsSell: TDataSource;
dsdSell: TDataSetDriverEh;
mtSell: TMemTableEh;
mtSellCustName: TStringField;
如何得到 mtSellCustName.oldvalue?
我试了，只能得到null
qSell: TQuery;
dsSell: TDataSource;
dsdSell: TDataSetDriverEh;
mtSell: TMemTableEh;
mtSellCustName: TStringField;
如何得到 mtSellCustName.oldvalue?
我试了，只能得到null