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dbgrideh中的keylist,picklist的用法
dbgrideh中的keylist,picklist的⽤法dbgridehprocedure TForm1.FormCreate(Sender: TObject);beginDBGridEh1.DataSource:=DataSource1;DataSource1.DataSet:=MemTableEh1;MemTableEh1.DataDriver:=DataSetDriverEh1;MemTableEh1.FetchAllOnOpen:=True;DataSetDriverEh1.ProviderD