《VB开发系列》（英文版）PDF电子书.pdf_大学文库

Professional vb 2005 Published Wiley publis dianapolis, IN 46256 www.wiley.com Copyright C 2006 by Wiley Publishing, Inc, Indianapolis, Indiana Published simultaneously in Canada ISBN-10:076457536-8 Manufactured in the United States of America 10987654321 1B/SW/RQ/QV/IN Library of Congress Cataloging-in-Publication Data Professional Visual Basic 2005/Bill Evjen.[et al. ] 3:978-0-76457536-5( Paper/ website) 1. Microsoft Visual BASIC. 2. BASIC(Computer program language) 3. Microsoft. NET. A76.73.B3F74852005 005.2768-dc22 2005012585 No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any mea mitted under sections 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, Wiley Publishing, Inc, 10475 Crosspoint Blvd., Indianapolis, IN 46256, (317)572-3447, fax(317)572-4355, or online at LIMIT OF LIABILITY/DISCLAIMER OF WARRANTY: THE PUBLISHER AND THE AUTHOR MAKE NO REPRESEN TATIONS OR WARRANTIES WITH RESPECT TO THE ACCURACY OR COMPLETENESS OF THE CONTENTS OF THIS WORK AND SPECIFICALLY DISCLAIM ALL WARRANTIES, INCLUDING WITHOUT LIMITATION WAR RANTIES OF FITNESS FOR A PARTICULAR PURPOSE. NO WARRANTY MAY BE CREATED OR EXTENDED BY SALES OR PROMOTIONAL MATERIALS. THE ADVICE AND STRATEGIES CONTAINED HEREIN MAY NOT BE SUIT- ABLE FOR EVERY SITUATION. THIS WORK IS SOLD WITH THE UNDERSTANDING THAT THE PUBLISHER IS NOT ENGAGED IN RENDERING LEGAL ACCOUNTING, OR OTHER PROFESSIONAL SERVICES. IF PROFESSIONAL ASSISTANCE IS REQUIRED, THE SERVICES OF A COMPETENT PROFESSIONAL PERSON SHOULD BE SOUGHT. NEITHER THE PUBLISHER NOR THE AUTHOR SHALL BE LIABLE FOR DAMAGES ARISING HEREFROM.THE FACT THAT AN ORGANIZATION OR WEBSITE IS REFERRED TO IN THIS WORK AS A CITATION AND/OR A POTENTIAL SOURCE OF FURTHER INFORMATION DOES NOT MEAN THAT THE AUTHOR OR THE PUBLISHER ENDORSES THE INFORMATION THE ORGANIZATION OR WEBSITE MAY PROVIDE OR RECOMMENDATIONS IT MAY MAKE FURTHER READERS SHOULD BE AWARE THAT INTERNET WEBSITES LISTED IN THIS WORK MAY HAVE CHANGED OR DISAPPEARED BETWEEN WHEN THIS WORK WAS WRITTEN AND WHEN IT IS READ For general information on our other products and services please contact our Customer Care Department within the United States at( 800)762-2974, outside the United States at(317)572-3993 or fax(317)572-4002. rademarks: Wiley, the Wiley logo, Wrox, the Wrox logo, Programmer to Programmer, and related trade dress are trade- marks or registered trademarks of John wiley Sons, Inc and /or its affiliates, in the United States and other countries, and may not be used without written permission. Visual Basic is a registered trademark of Microsoft Corporation in the United States and/or other countries. All other trademarks are the property of their respective owners. Wiley Publishing, Inc, is not associated with any product or vendor mentioned in this book. Wiley also publishes its books in a variety of electronic formats. Some content that appears in print may not be available in electronic books

Professional VB 2005 Published by Wiley Publishing, Inc. 10475 Crosspoint Boulevard Indianapolis, IN 46256 www.wiley.com Copyright © 2006 by Wiley Publishing, Inc., Indianapolis, Indiana Published simultaneously in Canada ISBN-13: 978-0-7645-7536-5 ISBN-10: 0-7645-7536-8 Manufactured in the United States of America 10 9 8 7 6 5 4 3 2 1 1B/SW/RQ/QV/IN Library of Congress Cataloging-in-Publication Data: Professional Visual Basic 2005 / Bill Evjen ... [et al.]. p. cm. Includes index. ISBN-13: 978-0-7645-7536-5 (paper/website) ISBN-10: 0-7645-7536-8 (paper/website) 1. Microsoft Visual BASIC. 2. BASIC (Computer program language) 3. Microsoft .NET. I. Evjen, Bill. QA76.73.B3P7485 2005 005.2’768— dc22 2005012585 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, scanning or otherwise, except as permitted under Sections 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 646-8600. Requests to the Publisher for permission should be addressed to the Legal Department, Wiley Publishing, Inc., 10475 Crosspoint Blvd., Indianapolis, IN 46256, (317) 572-3447, fax (317) 572-4355, or online at http://www.wiley.com/go/permissions. LIMIT OF LIABILITY/DISCLAIMER OF WARRANTY: THE PUBLISHER AND THE AUTHOR MAKE NO REPRESENTATIONS OR WARRANTIES WITH RESPECT TO THE ACCURACY OR COMPLETENESS OF THE CONTENTS OF THIS WORK AND SPECIFICALLY DISCLAIM ALL WARRANTIES, INCLUDING WITHOUT LIMITATION WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE. NO WARRANTY MAY BE CREATED OR EXTENDED BY SALES OR PROMOTIONAL MATERIALS. THE ADVICE AND STRATEGIES CONTAINED HEREIN MAY NOT BE SUITABLE FOR EVERY SITUATION. THIS WORK IS SOLD WITH THE UNDERSTANDING THAT THE PUBLISHER IS NOT ENGAGED IN RENDERING LEGAL, ACCOUNTING, OR OTHER PROFESSIONAL SERVICES. IF PROFESSIONAL ASSISTANCE IS REQUIRED, THE SERVICES OF A COMPETENT PROFESSIONAL PERSON SHOULD BE SOUGHT. NEITHER THE PUBLISHER NOR THE AUTHOR SHALL BE LIABLE FOR DAMAGES ARISING HEREFROM. THE FACT THAT AN ORGANIZATION OR WEBSITE IS REFERRED TO IN THIS WORK AS A CITATION AND/OR A POTENTIAL SOURCE OF FURTHER INFORMATION DOES NOT MEAN THAT THE AUTHOR OR THE PUBLISHER ENDORSES THE INFORMATION THE ORGANIZATION OR WEBSITE MAY PROVIDE OR RECOMMENDATIONS IT MAY MAKE. FURTHER, READERS SHOULD BE AWARE THAT INTERNET WEBSITES LISTED IN THIS WORK MAY HAVE CHANGED OR DISAPPEARED BETWEEN WHEN THIS WORK WAS WRITTEN AND WHEN IT IS READ. For general information on our other products and services please contact our Customer Care Department within the United States at (800) 762-2974, outside the United States at (317) 572-3993 or fax (317) 572-4002. Trademarks: Wiley, the Wiley logo, Wrox, the Wrox logo, Programmer to Programmer, and related trade dress are trademarks or registered trademarks of John Wiley & Sons, Inc. and/or its affiliates, in the United States and other countries, and may not be used without written permission. Visual Basic is a registered trademark of Microsoft Corporation in the United States and/or other countries. All other trademarks are the property of their respective owners. Wiley Publishing, Inc., is not associated with any product or vendor mentioned in this book. Wiley also publishes its books in a variety of electronic formats. Some content that appears in print may not be available in electronic books. 01_575368 ffirs.qxd 10/7/05 10:46 PM Page iv

About the authors Bill Evjen is an active proponent of NET technologies and community-based learning initiatives for NET He has been actively involved with NET since the first bits were released in 2000. In the same ear,billfoundedtheSt.LouisNetUserGroup(www.stlnet.org),oneoftheworldsfirstNetuser groups. Bill is also the founder and the executive director of the Intermational. NET Association (INETA wwineta. org), which represents more than 375,000 members worldwide Based in St Louis, Missouri, Bill is an acclaimed author and speaker on ASP.NET and XML Web Services He has written or coauthored more than 10 books, including Professional C# 2005 and Professional ASPNET 2.0(Wrox), XML Web Services for ASP.NET, ASPNET Professional Secrets(Wiley), and more. Bill is a technical director for Reuters, the international news and financial services company, and he travels the world speaking to major financial institutions about the future of the IT industry. He gradu- ated from Western Washington University in Bellingham, Washington, with a Russian language degree When he isn t tinkering on the computer, he can usually be found at his summer house in Toivakka Finland.YoucanreachBillatevjen@yahoo.com. Billy Hollis is coauthor of the first book ever published on Visual Basic NET, VB. NET Programming on the Public Beta(wrox Press)as well as numerous other books and articles on NET. Billy is a Microsoft regional director and an MVP, and he was selected of the original .NET"Software Legends. "He writes a monthly column for MSDN Online and is heavily involved in training, consultation, and soft- ware development on the Microsoft. NET platform, focusing on smart-client development and commer- cial packages. He frequently speaks at industry conferences such as Microsoft's Professional Developer Conference, TechEd, and COMDES. Billy is a member of the INETA speakers'bureau and speaks at user group meetings all over the United States. RockfordLhotkaistheprincipaltechnologyevangelistforMagenicTechnologies(www.magenic.com), a company focused on delivering business value through applied technology and one of the nations premiere Microsoft Gold Certified Partners. Rockford is the author of several books, including Expert Visual Basic. NET and C#f Business Objects. He is a Microsoft Software Legend, regional director, MVP, and INETA speaker. He is a columnist for MSDN Online and contributing author for Visual Studio Magazine and he regularly presents at major conferences around the world-including Microsoft PDC, Tech Ec VsLive!andVsConnectionsFormoreinformationgotowww.lhotka.net For my Mom and Dad, whose love and guidance have been invaluable in my life. Thank you! Tim McCarthy is a principal engineer at InterKnowlogy, where he architects and builds highly scalable n-tier web and smart-client applications utilizing the latest Microsoft platforms and technologies. Tims (ASPNET/Smart Clients/Web Services), Active Directory, UDDI, SQL Server, Windows Sharer nework expertise covers a wide range of Microsoft technologies, including, but not limited to: NET Frameworl Services/Share Point Portal Server 2003, and Service Oriented Architecture( SOA)applications. Tim has yorked as a project technical lead/member as well as in a technical consulting role for several Fortune 500 companies. He has held the Microsoft Certified Solution Developer(MCSD) and Microsoft Certified Trainer(MCT) certifications for several years and was one of the first wave of developers to earn the Microsoft Certified Application Developer(MCAD)for. NET and MCSD for NET certifications. He also holds the Microsoft Certified Database Administrator certification for SQL Server 2000

About the Authors Bill Evjen is an active proponent of .NET technologies and community-based learning initiatives for .NET. He has been actively involved with .NET since the first bits were released in 2000. In the same year, Bill founded the St. Louis .NET User Group (www.stlnet.org), one of the world’s first .NET user groups. Bill is also the founder and the executive director of the International .NET Association (INETA – www.ineta.org), which represents more than 375,000 members worldwide. Based in St. Louis, Missouri, Bill is an acclaimed author and speaker on ASP.NET and XML Web Services. He has written or coauthored more than 10 books, including Professional C# 2005 and Professional ASP.NET 2.0 (Wrox), XML Web Services for ASP.NET, ASP.NET Professional Secrets (Wiley), and more. Bill is a technical director for Reuters, the international news and financial services company, and he travels the world speaking to major financial institutions about the future of the IT industry. He graduated from Western Washington University in Bellingham, Washington, with a Russian language degree. When he isn’t tinkering on the computer, he can usually be found at his summer house in Toivakka, Finland. You can reach Bill at evjen@yahoo.com. To Kalle – Welcome to the family! Billy Hollis is coauthor of the first book ever published on Visual Basic .NET, VB.NET Programming on the Public Beta (Wrox Press) as well as numerous other books and articles on .NET. Billy is a Microsoft regional director and an MVP, and he was selected as one of the original .NET “Software Legends.” He writes a monthly column for MSDN Online and is heavily involved in training, consultation, and software development on the Microsoft .NET platform, focusing on smart-client development and commercial packages. He frequently speaks at industry conferences such as Microsoft’s Professional Developer Conference, TechEd, and COMDES. Billy is a member of the INETA speakers’ bureau and speaks at user group meetings all over the United States. Rockford Lhotka is the principal technology evangelist for Magenic Technologies (www.magenic.com), a company focused on delivering business value through applied technology and one of the nation’s premiere Microsoft Gold Certified Partners. Rockford is the author of several books, including Expert Visual Basic .NET and C# Business Objects. He is a Microsoft Software Legend, regional director, MVP, and INETA speaker. He is a columnist for MSDN Online and contributing author for Visual Studio Magazine, and he regularly presents at major conferences around the world — including Microsoft PDC, Tech Ed, VS Live! and VS Connections. For more information go to www.lhotka.net. For my Mom and Dad, whose love and guidance have been invaluable in my life. Thank you! Tim McCarthy is a principal engineer at InterKnowlogy, where he architects and builds highly scalable n-tier web and smart-client applications utilizing the latest Microsoft platforms and technologies. Tim’s expertise covers a wide range of Microsoft technologies, including, but not limited to: .NET Framework (ASP.NET/Smart Clients/Web Services), Active Directory, UDDI, SQL Server, Windows SharePoint Services/SharePoint Portal Server 2003, and Service Oriented Architecture (SOA) applications. Tim has worked as a project technical lead/member as well as in a technical consulting role for several Fortune 500 companies. He has held the Microsoft Certified Solution Developer (MCSD) and Microsoft Certified Trainer (MCT) certifications for several years and was one of the first wave of developers to earn the Microsoft Certified Application Developer (MCAD) for .NET and MCSD for .NET certifications. He also holds the Microsoft Certified Database Administrator certification for SQL Server 2000. 01_575368 ffirs.qxd 10/7/05 10:46 PM Page v

Tim has been an author and technical reviewer for several books from Wrox Press and most recently was a lead author on Professional VB. NET 2003. His other books include Professional Commerce Server 2000, and Professional ADO 2.5 Programming. Tim is currently working as a lead author on the next edition of Professional VB. NET. Tim has written numerous articles for the Developer. NET Update newsletter, devel ped packaged presentations for MSDN, and has written a whitepaper for Microsoft on using COM+ ervices in NET. He has also written articles for SQL Server Magazine and Windows & NET Magazine Tim has spoken at technical conferences around the world and several San Diego area user groups(includ- ing both NET and SQL Server groups)and he has been a regular speaker at the Microsoft Developer Days conference in San Diego for the last several years. Tim has also delivered MSDN webcasts, many of which were repeat requests from Microsoft. Tim also teaches custom nET classes to companies in need of expe NET mentoring and training Tim holds a BB A. in marketing from the Illinois Institute of Technology as well as an M.B. A in market- ing from National University. Before becoming an application developer, Tim was an officer in the United States Marine Corps. Tims passion for NET is only surpassed by his passion for Notre Dame athletic i dedicate this book to everybody in my family who supports me. Jasmine, some day you will be writing books, too! Rama Ramachandran is a software architect at DKR Capital, a major hedge fund company in Stamford, Connecticut. He is a Microsoft Certified Solutions Developer and Site-Builder and has excelled in designing and developing Win Forms and Web applications using NET, ASP.NET, Visual Basic and SQL Server. Rama has more than 15 years'experience with all facets of the software development lifecycle and has cowritten Introducing NET, Professional ASP Data Access, Professional Visual Inter Deo Programming (all Wrox Press), and four books on classic Visual Basic. Rama is also the"ASP Pro"at Devx. com, where he maintains ASP-related columns He teaches net Development and Web Development for Fairfield Universitys master's degree in software engineering, andattheUniversityofConnecticutYoucanreachRamaatramabeenaehotmail.com. This book is dedicated to my wife, Beena, and our children, Ashish and Amif. They make my life whole I'm great at writing about technology but get tongue-tied trying to say howo much I love and care about the three of you. I am grateful to our prayer-answering God for your laughing, mischievous, adoring lives. Thanks for being there, Beens. I love you Kent Sharkey. Born in an igloo and raised by wolves in a strange realm called"Manitoba, " Kent Sharkey wandered the wilderness until found by a group of kind technical evangelists and migrated to edmond. He now is content strategist (yeah, he doesn't know what he's supposed to do either)for ASPNET content on MSDN. When not answering email he dreams of sleeping, complains to everyone around (come to think of it, he does that while answering email as well), and attempts to keep his house- mates(Babi, Cica, and Squirrel) happy As with all else, to Margaret. Thank you Bill Sheldon is a software architect and engineer originally from Baltimore, Maryland. Holding a degree in Computer Science from the Illinois Institute of Technology(IIT)and a Microsoft Certified Solution Developer(MCSD)qualification, Bill has been employed as an engineer since resigning his commissi with the U.S. Navy following the first Gulf War. Bill is involved with the San Diego. NET User Group and writes for Windows and. NET magazines, including the twice monthly Developer. NET Update email newsletter. He is also a frequent online presenter for MSDN and speaks at live events such as Microsoft Developer Days. He lives with his wife, Tracie, in Southern California, where he is employed as a princi- alengineerwithInterknowlogy.YoucanreachBillatbillseinterknowlogy.com

Tim has been an author and technical reviewer for several books from Wrox Press and most recently was a lead author on Professional VB.NET 2003. His other books include Professional Commerce Server 2000, and Professional ADO 2.5 Programming. Tim is currently working as a lead author on the next edition of Professional VB.NET. Tim has written numerous articles for the Developer .NET Update newsletter, developed packaged presentations for MSDN, and has written a whitepaper for Microsoft on using COM+ services in .NET. He has also written articles for SQL Server Magazine and Windows & .NET Magazine. Tim has spoken at technical conferences around the world and several San Diego area user groups (including both .NET and SQL Server groups) and he has been a regular speaker at the Microsoft Developer Days conference in San Diego for the last several years. Tim has also delivered MSDN webcasts, many of which were repeat requests from Microsoft. Tim also teaches custom .NET classes to companies in need of expert .NET mentoring and training. Tim holds a B.B.A. in marketing from the Illinois Institute of Technology as well as an M.B.A. in marketing from National University. Before becoming an application developer, Tim was an officer in the United States Marine Corps. Tim’s passion for .NET is only surpassed by his passion for Notre Dame athletics. I dedicate this book to everybody in my family who supports me. Jasmine, some day you will be writing books, too! Rama Ramachandran is a software architect at DKR Capital, a major hedge fund company in Stamford, Connecticut. He is a Microsoft Certified Solutions Developer and Site-Builder and has excelled in designing and developing WinForms and Web applications using .NET, ASP.NET, Visual Basic and SQL Server. Rama has more than 15 years’ experience with all facets of the software development lifecycle and has cowritten Introducing .NET, Professional ASP Data Access, Professional Visual InterDev Programming (all Wrox Press), and four books on classic Visual Basic. Rama is also the “ASP Pro” at Devx.com, where he maintains ASP-related columns. He teaches .NET Development and Web Development for Fairfield University’s master’s degree in software engineering, and at the University of Connecticut. You can reach Rama at ramabeena@hotmail.com. This book is dedicated to my wife, Beena, and our children, Ashish and Amit. They make my life whole. I’m great at writing about technology but get tongue-tied trying to say how much I love and care about the three of you. I am grateful to our prayer-answering God for your laughing, mischievous, adoring lives. Thanks for being there, Beens. I love you. Kent Sharkey. Born in an igloo and raised by wolves in a strange realm called “Manitoba,” Kent Sharkey wandered the wilderness until found by a group of kind technical evangelists and migrated to Redmond. He now is content strategist (yeah, he doesn’t know what he’s supposed to do either) for ASP.NET content on MSDN. When not answering email he dreams of sleeping, complains to everyone around (come to think of it, he does that while answering email as well), and attempts to keep his housemates (Babi, Cica, and Squirrel) happy. As with all else, to Margaret. Thank you. Bill Sheldon is a software architect and engineer originally from Baltimore, Maryland. Holding a degree in Computer Science from the Illinois Institute of Technology (IIT) and a Microsoft Certified Solution Developer (MCSD) qualification, Bill has been employed as an engineer since resigning his commission with the U.S. Navy following the first Gulf War. Bill is involved with the San Diego .NET User Group and writes for Windows and .NET magazines, including the twice monthly Developer .NET Update email newsletter. He is also a frequent online presenter for MSDN and speaks at live events such as Microsoft Developer Days. He lives with his wife, Tracie, in Southern California, where he is employed as a principal engineer with InterKnowlogy. You can reach Bill at bills@interknowlogy.com. 01_575368 ffirs.qxd 10/7/05 10:46 PM Page vi