PUBLISHED BY Microsoft Press A Division of Microsoft Corporation One Microsoft Way Redmond, Washington 98052-6399 Copyright © 2007 by Dino Esposito All rights reserved. No part of the contents of this book may be reproduced or transmitted in any form or by any means without the written permission of the publisher. Library of Congress Control Number: 2007924643 Printed and bound in the United States of America. 1 2 3 4 5 6 7 8 9 QWT 2 1 0 9 8 7 Distributed in Canada by H.B. Fenn and Company Ltd. A CIP catalogue record for this book is available from the British Library. Microsoft Press books are available through booksellers and distributors worldwide. For further information about international editions, contact your local Microsoft …ver más…

. . . . . . . . . . . . . . . . . . . . . 10 The XMLHttpRequest Object . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Roll Your Own (Little) AJAX Framework . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 An HTTP Object Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 The Switch to the Document Object Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Existing AJAX Frameworks for ASP.NET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 ASP.NET AJAX in Person . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Setting Up ASP.NET AJAX Extensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Core Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

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The Microsoft Client Library for AJAX. . . . . . . . . . . . . . . . . . . . . . . . . .