procedure TForm1.Button2Click(Sender: TObject);
var
SQL:string;begin SQL:='select * from data where 厂内编号=:edit1.text';
DataModule2.ADODataSet1.Close;
DataModule2.ADODataSet1.CommandText:=SQL;
try
DataModule2.ADODataSet1.Open;
except
on E: Exception do end;
end;为什么以上查不出什么东西来呢本来菜菜 谢谢!!!!!!!!!!!!!!!!!!!!!!!!
var
SQL:string;begin SQL:='select * from data where 厂内编号=:edit1.text';
DataModule2.ADODataSet1.Close;
DataModule2.ADODataSet1.CommandText:=SQL;
try
DataModule2.ADODataSet1.Open;
except
on E: Exception do end;
end;为什么以上查不出什么东西来呢本来菜菜 谢谢!!!!!!!!!!!!!!!!!!!!!!!!
with adoquery do
begin
close;
sql.clear;
sql.add('select * from data where 厂内编号='''+edit1.text+'''');
open;
end;
同意:
with adoquery do
begin
close;
sql.clear;
sql.add('select * from data where 厂内编号='+''''+edit1.text+'''');
open;
end;