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Full Description
Have you ever gone to a great Web site and said to yourself, "I sure wish I could do that!" This hands-on book shows you exactly how. It's a task-oriented, no-frills introduction, specifically for programming novices, to the cool world of programming the Web by using the power of Microsoft ASP.NET Web Matrix-an easy-to-use WYSIWYG development tool for ASP.NET. You'll go from merely posting text and graphics on a site to creating dynamic slideshows, reading and writing cookies, building interactive guestbooks and calendars, and developing other exciting Web features, all with intuitive yet powerful tools. Along the way, you'll discover how to create programmed, data-driven Web pages for your home, hobby, or business in practically no time at all. Topics covered include: Getting started: Introduction to server-based Web programming, Microsoft ASP.NET, Microsoft Visual Basic .NET, and ASP.NET Web Matrix; and configuring ASP.NET, ASP.NET Web Matrix, and Microsoft SQL Server Desktop Engine (MSDE 2000) Basic techniques: Your first Web Forms page, creating a simple slideshow, getting and applying user preferences, creating a random quotes page, and displaying a hit counter More advanced techniques: Introduction to programming Web pages with data using ASP.NET Web Matrix, creating a guestbook and displaying formatted guestbook listings, creating a database-driven slideshow, updating master-detail tables, creating a calendar application, and sending e-mail notices automatically from a Web page Appendixes: Security vulnerabilities, good security practices, and your Web application; and deploying your application to a server
Contents
Acknowledgments xiii Introduction xv PART I INTRODUCTION TO WEB MATRIX AND ASP.NET 1 What Does Web Programming Mean, Anyway? 3 Server As Processor, Page as Program 4 Where Microsoft ASP.NET Fits In 6 Characteristics of Server-Based Web Programming 7 Postbacks and Round Trips 8 The Disconnected Web 8 Each Page Is New 9 Web Amnesia: Stateless Pages 9 Browser-Based Programming 10 Browser Compatibility 12 2 Overview of Web Matrix, ASP.NET, and Visual Basic .NET 15 Web Programming and ASP.NET 15 A Peek Inside the .NET Framework 17 Web Matrix: Enabling Web Programming for the Rest of Us 18 Web Matrix and Community 19 Using Visual Basic .NET with Web Matrix 20 Basics of Visual Basic .NET 23 Object-Oriented Programming (OOP) 23 3 Getting Ready to Program with ASP.NET and Web Matrix 29 Working with ASP.NET Web Pages 29 Options for Testing and Running ASP.NET Web Pages 30 Working with ISPs 30 Finding an ASP.NET-Friendly Hosting Site 31 Hosting the Site Yourself 31 Providing Data Access for Your Web Pages 33 Installing and Configuring the Required Software 33 Installing Windows 34 Setting Permissions for a Web Site 34 Installing IIS 35 Installing Internet Explorer 35 Installing the .NET Framework 36 Installing Web Matrix 37 PAGES 4 Getting to Know Web Matrix 43 Before You Start 43 Looking Around the Web Matrix Development Environment 46 Adding Text and Controls to the Page 49 Working with Different Views of a Document 50 Positioning Text and Elements 51 Absolute Positioning 51 Controlling the Grid 53 Setting Properties for Controls 55 Programming the Button 57 Testing the Page 57 Examining How Event Handlers Work 59 Reviewing Round Trips and Postback 61 Rendering Controls 61 5 Creating a Simple Slideshow 65 How the Slideshow Works 65 Got Pictures? 66 Creating the Page 66 Building the Slide List 68 Loading the Slide List and Initializing the Page 69 Testing the Page 70 Adding Slide Navigation 71 Maintaining the Slide Number in Viewstate 71 Programming the Next and Previous Buttons 74 Adding a Navigation Bar 77 Adding Captions to the Slideshow 80 6 Maintaining User Preferences 85 Creating the Preferences Page 86 Populating the DropDownList Control 88 Programming the Preview Button 91 Turning Captions On and Off 91 Previewing the Current Color 92 Previewing the Font 93 Reviewing the Preview Handler 94 Testing the Preview Button 95 Saving the Preferences 95 About Cookies 95 Programming the Save Preferences Button 96 Displaying the Slideshow Page 97 Reading the Preferences 98 Reading the Cookie and Setting Values 98 Linking Back to the Preferences Page 100 Adding the Immediate Preview Feature 101 7 Creating a Random Quotes Page 103 Creating the Quotations Text File 104 Creating the Quotations Page 105 Finding the Quotations File 107 Reading the Quotations File 107 Defensive Coding: Error Handling 109 Generating a Random Number 110 Getting and Displaying the Quotation 111 Testing the Page 113 Caching the Quotations When the Application Starts 114 8 Creating a Page Hit Counter 117 Counting Visitors to Your Pages 117 What Is a Hit? 119 Tracking Unique Hits 120 Creating a Page That Counts Hits 121 Creating the Counter Logic 123 Getting the Current Counter 125 Checking the Cookie and Incrementing the Counter 126 Displaying the Counter 128 Testing the Counter 130 Creating Graphical Numbers 131 Creating the Graphics Files 132 Displaying the Graphical Numbers 134 PART III PROGRAMMING WEB PAGES WITH DATA 9 Show Me the Data! 139 Using Databases with Your Web Applications 139 Getting Acquainted with ASP.NET Data Access Objects 141 Understanding the Connection Object 142 Understanding the Command Object 143 Understanding the Data Reader Object 144 Preserving Data During Round Trips 145 About Data Binding 146 Creating a Database in Web Matrix 146 Creating the Database 147 Creating a Simple Data-Display Page 153 Customizing the Data-Display Grid 155 Examining Data Components in the Page 156 10 Creating a Guestbook 159 Creating the Guestbook Database Table 160 The Guestbook Page 163 Creating Code to Add a Guestbook Entry to the Database 164 Sending the Visitor s Input to the Database 167 Creating a Simple Guestbook Listing 170 Validating User Input 173 Understanding Validator Controls 174 Adding Validation to the Guestbook 176 11 Creating a More Flexible Guestbook Listing 183 Overview of Templates and Data Binding 183 Creating a Second Guestbook Listing Page 187 Binding Controls 191 Defining Additional Templates 194 Programming the DataList Control 195 Testing the Page 196 Adding an Alternating Template 197 Examining Templates in HTML View 198 Examining Data Binding 199 Working with the Repeater Control 201 12 Creating a Database-Driven Slideshow 205 Collecting Pictures for the Slideshow 206 The Slideshow Database Structure 207 Creating the Slideshow Tables 209 Creating a Slideshow Picker Page 212 Programming the Slideshow Picker Page 214 Data and State Management 216 Understanding Datasets 217 Caching Data in the Session Object 218 Creating the Slideshow Viewer Page 219 Programming the Slideshow Viewer Page 221 Programming the Dataset 222 Displaying the Current Slide 226 Navigating Between Slides 228 Testing the Slideshow Viewer Page 229 13 Updating Master-Details Tables 231 Creating the Slideshows Master Page 232 Inserting Slideshow Records into the Database 235 Navigating to the Details Page 238 Creating the Slide Details Page 240 Reading the Slideshow Name from the Master Page 242 Inserting Individual Slides into the Database 243 Displaying Slides for the Current Slideshow 245 Deleting Existing Slides 248 Editing Existing Slides 250 Programming the Edit Buttons to Update the Database 252 Testing Editing Capabilities 255 Maintaining Master-Details Integrity 256 14 Creating a Web-Based Calendar 259 Creating the Calendar Database Table 260 Creating a Calendar Entry Page 261 Programming Date Selection with the Calendar 264 Adding a Calendar Record to the Database 265 Creating a Page to View the Calendar 268 Highlighting Appointment Days in the Calendar 269 Displaying Appointment Details 272 15 Sending E-Mail Messages from Your Web Application 277 Configuring an E-Mail Server 278 How the SMTP Virtual Server Works 278 Installing and Configuring the SMTP Virtual Server 279 Creating a Simple Page to Send E-Mail Messages 285 Creating Code to Send E-Mail Messages 288 Sending E-Mail Alerts from Your Guestbook 291 Allowing Users to E-Mail Pictures from Your Slideshows 294 Adding a Send This Picture Button to the Slideshow 295 Creating a Page for Sending the Picture 296 Adding Code to Display the Picture 298 Adding Code to Send the Picture as an E-Mail Attachment 299 Testing the Send Picture Page 300 PART IV APPENDIXES A Security and ASP.NET Web Applications 305 Protecting Your Computer 307 Restricting Access to Your Computer 307 Restricting Access to Resources on the Computer 308 Staying on Top of Security 309 General Recommendations 310 Securing Your Web Applications 310 Understanding the ASPNET Account 310 Protecting Against Malicious User Input 312 Guarding Secrets 314 Authenticating Users 315 Accessing Databases Securely 317 Thinking Securely 320 B Deploying Web Matrix Applications 321 Deploying Web Pages on a Local Web Site 321 Configuring IIS for a Local Web Site 322 Configuring Database Access for a Local Web Site 324 Deploying Web Pages to a Hosting Site 325 Copying Web Pages to a Hosting Site 325 Copying Database Tables to a Hosting Site 328 GLOSSARY 337 INDEX
