Question

delphi 单机按钮后清空dbgrideh中的数据

Answer 1

With Grid.DataSource.Dataset Do
Try
DisableControls;
While not Eof Do Delete;
Finally
EnableControls;
End;

Answer 2

with dbgrid1.datasource.dataset do begin
close;
sql.clear;
end;
应该这样就可以了