SQL语句错误
procedure TADOOperatefrm.Button1Click(Sender: TObject);begin
adoquery1.Close;
adoquery1.SQL.Clear;
adoquery1.SQL.Add('insert into user_table(user_name,user_pwd,power_level'+')values("'+edit1.Text+"','"+edit3.Text+'")');//这行有错
adoquery1.ExecSQL;
end;