Copyright

Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and Addison-Wesley, Inc. was aware of a trademark claim, the designations have been printed with initial capital letters or in all capitals.

The author and publisher have taken care in the preparation of this book, but make no expressed or implied warranty of any kind and assume no responsibility for errors or omissions. No liability is assumed for incidental or consequential damages in connection with or arising out of the use of the information or programs contained herein.

Portions of this book are adapted from “ADO.NET: Building a Custom Data Provider for Use with the .NET Data Access Framework” by Bob Beauchemin, MSDN Magazine, December 2001, copyright Microsoft Corporation and CMP Media, LLC. Reprinted with permission.

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Library of Congress Cataloging-in-Publication Data

Beauchemin, Bob.

Essential ADO.NET / Bob Beauchemin.

p. xm. — (DevelopMentor series)

Includes bibliographical references and index.

ISBN 0-201-75866-0 (alk. paper)

1. Database design. 2. Object-oriented programming (Computer science) 3. ActiveX. I.

Title. II. Series.

QA76.9.D26 B42 2002

005.75'8—dc212002024934

Copyright © 2002 Pearson Education, Inc.

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form, or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior consent of the publisher. Printed in the United States of America. Published simultaneously in Canada.

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Text printed on recycled paper

1 2 3 4 5 6 7 8 9 10—MA—0605040302

First printing, May 2002