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Professional C# 4.0 and .NET 4 E-Book

Christian Nagel

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Herausgeber: John Wiley & Sons
Kategorie: Wissenschaft und neue Technologien
Sprache: Englisch
Veröffentlichungsjahr: 2010

Beschreibung

This is the ultimate guide to C# 4 and the .NET 4 framework. Updated with more coverage of intermediate and advanced features, new examples, and detailed discussions of recent language and framework additions, this book covers everything you will need to know about C# and putting it to work. You will also find in-depth reviews of various topics including traditional Windows programming, working in Visual Studio 2010 with C#, base Class Libraries, and communication with Enterprise Services among others.

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Leseprobe

CONTENTS

Introduction

Part I: The C# Language

Chapter 1: .NET Architecture

The Relationship of C# to .NET

The Common Language Runtime

A Closer Look at Intermediate Language

Assemblies

.NET Framework Classes

Namespaces

Creating .NET Applications Using C#

The Role of C# in the .NET Enterprise Architecture

Summary

Chapter 2: Core C#

Your First C# Program

Variables

Predefined Data Types

Flow Control

Enumerations

Namespaces

The Main() Method

More Query Techniques for XML Documents

Summary

Chapter 34: .NET Programming With SQL Server

.NET Runtime Host

Microsoft.SqlServer.Server

User-Defined Types

User-Defined Aggregates

Stored Procedures

User-Defined Functions

Triggers

XML Data Type

Summary

Part V: Presentation

Chapter 35: Core WPF

Overview

Shapes

Geometry

Transformation

Brushes

Controls

Layout

Styles and Resources

Triggers

Templates

Animations

Visual State Manager

3-D

Summary

Chapter 36: Business Applications With WPF

Data Binding

Commanding

TreeView

DataGrid

Summary

Chapter 37: Creating Documents with WPF

Text Elements

Flow Documents

Fixed Documents

XPS Documents

Printing

Summary

Chapter 38: Silverlight

Comparing WPF and Silverlight

Creating a Silverlight Project

Navigation

Networking

Browser Integration

Silverlight Out-of-Browser Applications

Summary

Chapter 39: Windows Forms

Creating a Windows Forms Application

Control Class

Standard Controls and Components

Forms

Summary

Chapter 40: Core ASP.NET

ASP.NET Introduction

ASP.NET Web Forms

ADO.NET and Data Binding

Application Configuration

Summary

Chapter 41: ASP.NET Features

User and Custom Controls

Master Pages

Site Navigation

Security

Themes

Web Parts

ASP.NET AJAX

What Is Ajax?

Summary

Chapter 42: ASP.NET Dynamic Data and MVC

Routing

Dynamic Data

MVC

Summary

Part VI: Communication

Chapter 43: Windows Communication Foundation

WCF Overview

Simple Service and Client

Contracts

Service Implementation

Binding

Hosting

Clients

Duplex Communication

Summary

Chapter 44: Windows Workflow Foundation 4

Hello World

Activities

Custom Activities

Workflows

Summary

Chapter 45: Peer-to-Peer Networking

Peer-to-Peer Networking Overview

Microsoft Windows Peer-to-Peer Networking

Building P2P Applications

Summary

Chapter 46: Message Queuing

Overview

Message Queuing Products

Message Queuing Architecture

Message Queuing Administrative Tools

Programming Message Queuing

Course Order Application

Receiving Results

Transactional Queues

Message Queuing with WCF

Message Queue Installation

Summary

Chapter 47: Syndication

Overview of System.ServiceModel.Syndication

Reading Syndication Feeds Sample

Offering Syndication Feeds Sample

Summary

Appendix: Guidelines for Windows 7 and Windows Server 2008 R2

Index

Online Chapters

Chapter 48: Graphics With GDI+

Understanding Drawing Principles

Measuring Coordinates and Areas

Drawing Scrollable Windows

World, Page, and Device Coordinates

Colors

Pens and Brushes

Drawing Shapes and Lines

Displaying Images

Issues When Manipulating Images

Drawing Text

Simple Text Example

Fonts and Font Families

Enumerating Font Families Example

Editing a Text Document: The CapsEditor Example

Printing

Summary

Chapter 49: Visual Studio Tools For Office

VSTO Overview

VSTO Project Fundamentals

Building VSTO Solutions

Example Application

Summary

Chapter 50: Managed Add-In Framework

MAF Architecture

Add-In Sample

Summary

Chapter 51: Enterprise Services

Using Enterprise Services

Creating a Simple COM+ Application

Deployment

Component Services Explorer

Client Application

Transactions

Sample Application

Integrating WCF and Enterprise Services

Summary

Chapter 52: Directory Services

The Architecture of Active Directory

Administration Tools for Active Directory

Programming Active Directory

Searching for User Objects

Account Management

DSML

Summary

Chapter 53: C#, Visual Basic, C++/CLI, and F#

Namespaces

Defining Types

Methods

Static Members

Arrays

Control Statements

Loops

Exception Handling

Inheritance

Resource Management

Delegates

Events

Generics

LINQ Queries

C++/CLI Mixing Native and Managed Code

C# Specifics

Summary

Chapter 54: .NET Remoting

Why Use .NET Remoting?

.NET Remoting Terms Explained

Contexts

Remote Objects, Clients, and Servers

.NET Remoting Architecture

Configuration Files

Hosting Servers in ASP.NET

Classes, Interfaces, and Soapsuds

Asynchronous Remoting

Security with .NET Remoting

Remoting and Events

Call Contexts

Summary

Chapter 55: Web Services with ASP.NET

SOAP

WSDL

Web Services

Extending the Event-Booking Example

Exchanging Data Using SOAP Headers

Summary

Chapter 56: LINQ to SQL

LINQ to SQL Using Visual Studio 2010

How Objects Map to LINQ Objects

Working Without the O/R Designer

Custom Objects and the O/R Designer

Querying the Database

Stored Procedures

Summary

Chapter 57: Windows Workflow Foundation 3.0

Hello World

Activities

Custom Activities

Workflows

The Workflow Runtime

Workflow Services

Integration with Windows Communication Foundation

Hosting Workflows

The Workflow Designer

Moving from WF 3.x to WF 4

Summary

Professional C# 4 and .NET 4

Published byWiley Publishing, Inc.10475 Crosspoint BoulevardIndianapolis, IN 46256www.wiley.com

Published simultaneously in Canada

ISBN: 978-0-470-50225-9

Manufactured in the United States of America

10 9 8 7 6 5 4 3 2 1

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 Permissions Department, John Wiley & Sons, Inc., 111 River Street, Hoboken, NJ 07030, (201) 748-6011, fax (201) 748-6008, 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 Web site 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 Web site may provide or recommendations it may make. Further, readers should be aware that Internet Web sites 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 (877) 762-2974, outside the United States at (317) 572-3993 or fax (317) 572-4002.

Wiley also publishes its books in a variety of electronic formats. Some content that appears in print may not be available in electronic books.

Library of Congress Control Number: 2009942439

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. 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.

To my two girls, Angela and Stephanie

The first half of the year 2009 was the hardest time in my life — a trip through hell and back. I cannot thank Angela enough for all her love and support she gave to me. Without her I couldn’t have made it through that. Stephanie was born shortly after medical treatment and was the biggest motivation during that time.

I love you both!

—CHRISTIAN NAGEL

To Tuija, always.

—BILL EVJEN

For donna

—KARLI WATSON

Dedicated to my parents, Joan & Donald Skinner.

There are many things that I’d like to say to my Mum and Dad, but I’m in the privileged position of not needing to say anything to them. They were both wonderful people, are greatly missed, and the world was made a sweeter place by their being in it. Thanks Mum, thanks Dad, you were brilliant.

—MORGAN SKINNER

ABOUT THE AUTHORS

CHRISTIAN NAGEL is a Microsoft Regional Director and Microsoft MVP, an associate of thinktecture, and owner of CN innovation. He is a software architect and developer who offers training and consulting on how to develop Microsoft .NET solutions. He looks back on more than 25 years of software development experience. Christian started his computing career with PDP 11 and VAX/VMS systems, covering a variety of languages and platforms. Since 2000, when .NET was just a technology preview, he has been working with various .NET technologies to build numerous .NET solutions. With his profound knowledge of Microsoft technologies, he has written numerous .NET books, and is certified as a Microsoft Certified Trainer and Professional Developer. Christian speaks at international conferences such as TechEd and Tech Days, and started INETA Europe to support .NET user groups. You can contact Christian via his web sites, www.cninnovation.com and www.thinktecture.com, and follow his tweets on www.twitter.com/christiannagel.

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 such groups. Bill is also the founder and former executive director of the International .NET Association (www.ineta.org), which represents more than 500,000 members worldwide.

Based in St. Louis, Missouri, Bill is an acclaimed author and speaker on ASP.NET and Web Services. He has authored or coauthored more than 20 books including Professional ASP.NET 4, Professional VB 2008, ASP.NET Professional Secrets, XML Web Services for ASP.NET, and Web Services Enhancements: Understanding the WSE for Enterprise Applications (all published by Wiley). In addition to writing, Bill is a speaker at numerous conferences, including DevConnections, VSLive, and TechEd. Along with these activities, Bill works closely with Microsoft as a Microsoft Regional Director and an MVP.

Bill is the Global Head of Platform Architecture for Thomson Reuters, Lipper, the international news and financial services company (www.thomsonreuters.com). 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 on Twitter at @billevjen.

JAY GLYNN is the Principle Architect at PureSafety, a leading provider of results-driven software and information solutions for workforce safety and health. Jay has been developing software for over 25 years and has worked with a variety of languages and technologies including PICK Basic, C, C++, Visual Basic, C# and Java. Jay currently lives in Franklin, Tennessee with his wife and son.

KARLI WATSON is consultant at Infusion Development (www.infusion.com), a technology architect at Boost.net (www.boost.net), and a freelance IT specialist, author, and developer. For the most part, he immerses himself in .NET (in particular C# and lately WPF) and has written numerous books in the field. He specializes in communicating complex ideas in a way that is accessible to anyone with a passion to learn, and spends much of his time playing with new technology to find new things to teach people about.

During those (seemingly few) times where he isn’t doing the above, Karli will probably be wishing he was hurtling down a mountain on a snowboard. Or possibly trying to get his novel published. Either way, you’ll know him by his brightly colored clothes. You can also find him tweeting online at www.twitter.com/karlequin, and maybe one day he’ll get round to making himself a web site.

MORGAN SKINNER began his computing career at a young age on the Sinclair ZX80 at school, where he was underwhelmed by some code a teacher had written and so began programming in assembly language. Since then he’s used all sorts of languages and platforms, including VAX Macro Assembler, Pascal, Modula2, Smalltalk, X86 assembly language, PowerBuilder, C/C++, VB, and currently C# (of course). He’s been programming in .NET since the PDC release in 2000, and liked it so much he joined Microsoft in 2001. He now works in premier support for developers and spends most of his time assisting customers with C#. You can reach Morgan at www.morganskinner.com.

ABOUT THE TECHNICAL EDITORS

ALEXEI GORKOV is the chief software engineer at EPAM Systems (www.epam.com

CREDITS

ACQUISITIONS EDITORPaul Reese

PROJECT EDITORSara Shlaer

DEVELOPMENT EDITORSusan Cohen

TECHNICAL EDITORSAlexei GorkovMitchel Sellers

PRODUCTION EDITORKathleen Wisor

COPY EDITORSTricia LiebigFoxxe Editorial Services

EDITORIAL DIRECTORRobyn B. Siesky

EDITORIAL MANAGERMary Beth Wakefield

MARKETING MANAGERDavid Mayhew

PRODUCTION MANAGERTim Tate

VICE PRESIDENT AND EXECUTIVE GROUP PUBLISHERRichard Swadley

VICE PRESIDENT AND EXECUTIVE PUBLISHERBarry Pruett

ASSOCIATE PUBLISHERJim Minatel

PROJECT COORDINATOR, COVERLynsey Stanford

PROOFREADERWord One New York

INDEXERRobert Swanson

COVER DESIGNERMichael E. Trent

ACKNOWLEDGMENTS

THANKS TO ALL AT WILEY for your patience when I started working later on the book than I had expected and planned. Special thanks to Sara Shlaer who was of great support with the time pressure and the change of the Wrox style. Similar to the authors, she worked many weekends to get the book out on time. Many thanks!

—CHRISTIAN NAGEL

THANKS TO SARA SHLAER, Paul Reese, and Jim Minatel for the opportunity to work on such a great book, and to the technical editors, Alexei Gorkov and Mitchel Sellers, for their excellent work. In addition to my co-authors, I would like to thank my family for putting up with all the writing. Thank you Tuija, Sofia, Henri, and Kalle!

—BILL EVJEN

I WOULD LIKE TO THANK Sara Shlaer, Paul Reese, and the rest of the team at Wrox for all the help they provided. I would also like to thank my wife and son for putting up with the nights and weekends lost to the computer. They are my inspiration.

—JAY GLYNN

THANKS TO ALL AT WILEY for their support and assistance on this project, as well as their understanding and flexibility in dealing with an author who never seems to have enough time to write. Special thanks to Sara Shlaer — one of the best and friendliest editors I’ve had the pleasure to work with. Also, thanks to friends, family, and work colleagues for understanding why I haven’t had time for much socializing lately, and to donna, as always, for all her support and for putting up with all the late nights.

—KARLI WATSON

INTRODUCTION

IF WE WERE TO DESCRIBE THE C# LANGUAGE AND ITS ASSOCIATED ENVIRONMENT, the .NET Framework, as the most significant technology for developers around right now, we would not be exaggerating. .NET is designed to provide an environment within which you can develop almost any application to run on Windows, while C# is a programming language that has been designed specifically to work with the .NET Framework. By using C#, you can, for example, write a dynamic web page, a Windows Presentation Foundation application, an XML Web service, a component of a distributed application, a database access component, a classic Windows desktop application, or even a new smart client application that allows for online/offline capabilities. This book covers the .NET Framework 4. If you are coding using any of the prior versions, there may be sections of the book that will not work for you. We try to notify you of items that are new and specific to the .NET Framework 4.

Don’t be fooled by the .NET label in the Framework’s name and think that this is a purely Internet-focused framework. The NET bit in the name is there to emphasize Microsoft’s belief that distributed applications, in which the processing is distributed between client and server, are the way forward. It is also important to understand that C# is not just a language for writing Internet or network-aware applications. It provides a means for you to code up almost any type of software or component that you need to write for the Windows platform. Between them, C# and .NET have revolutionized the way that developers write their programs and have made programming on Windows much easier than it has ever been before.

So what’s the big deal about .NET and C#?

THE SIGNIFICANCE OF .NET AND C#

To understand the significance of .NET, it is useful to remind ourselves of the nature of many of the Windows technologies that have appeared in the past 18 years or so. Although they may look quite different on the surface, all of the Windows operating systems from Windows 3.1 (introduced in 1992) through Windows 7 and Windows Server 2008 R2 have the same familiar Windows API at their core. As we have progressed through new versions of Windows, huge numbers of new functions have been added to the API, but this has been a process of evolving and extending the API rather than replacing it.

The same can be said for many of the technologies and frameworks that we have used to develop software for Windows. For example, () originated as (). Originally, it was largely a means by which different types of Office documents could be linked, so that you could place a small Excel spreadsheet in your Word document, for example. From that it evolved into COM, (), and eventually — a sophisticated technology that formed the basis of the way almost all components communicated, as well as implementing transactions, messaging services, and object pooling.

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