procedure TForm1.Button1Click(Sender: TObject);
begin
adoquery1.SQL.text:='select * from a';
adoquery1.Open;
adoquery1.SQL.Text:='delete a where id=1';
adoquery1.ExecSQL;
end;
但我想在按下butt的时候实现这功能怎么办?
begin
adoquery1.SQL.text:='select * from a';
adoquery1.Open;
adoquery1.SQL.Text:='delete a where id=1';
adoquery1.ExecSQL;
end;
但我想在按下butt的时候实现这功能怎么办?
adoquery1.sql.clear;
.....
begin
adoquery1.SQL.text:='select * from a';
adoquery1.Open;/////////
adoquery1.Close;
adoquery1.Clear;////////先Clear再说;
adoquery1.SQL.Text:='delete a where id=1';
adoquery1.ExecSQL;
end;
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begin
adoquery1.close;
adoquery1.SQL.text:='select * from a';
adoquery1.Open;
adoquery1.Close;
adoquery1.SQL.Text:='delete a where id=1';
adoquery1.ExecSQL;
end;