First and foremost, if your details are getting to large it sounds like a very likely candidate for a database and normilization. As for the Open and Save functionality that is user eye candy which you can map to any functionality you want. If you are truly adament about not using a database there are a myriad of options. XML files ( use xml serializer), Binary files, DataSets, bitmaps, really you can get real creative on this if you want. Use a DB, save yourself the headache. A man said to the universe: "Sir I exist!" "However," replied the Universe, "The fact has not created in me A sense of obligation." -- Stephen Crane
