of Contents in .NET

Printer QR Code in .NET of Contents

Introducing ASPNET Profiles291 Setting Up the Small Business Sample Site 292 Previewing the Final Web Interface293 The Add to Cart interface 293 Tracking the cart status 293 Gawking at the cart contents294 Building the Shopping Cart in Code 294 Defining a shopping cart item class294 Defining the shopping cart class 299 Enabling profile data and anonymity in webconfig305 Updating a Web Page to Add Profile Data 306 Inserting a LinkButton into the page 306 Configuring the LinkButton control 307 Adding the LinkButton event handler 308 Building a Page to Manage Cart Contents309 Adding the shopcartaspx page309 Adding an ObjectDataSource to handle data309 Adding a GridView and using the ObjectDataSource 311 Creating a Calculations class 311 Inserting Calculations columns 313 Walking Through the Shopping Cart Profile 314 Adding items to the cart314 Updating the quantity of an item 314

Remembering User Input Is Evil 316 Forcing the User to Enter Something 316 Ensuring That a Value Is within a Range 317 Checking and Comparing Values319 Comparing values in two controls 319 Making the CompareValidator dynamic 320 Checking a data type321 Using the RegularExpressionValidator 322 Testing for one, two, or three numbers322 Checking the length of text in a multiline text box 323 Validating Data with Code 324 Validating by Groups 326 Displaying a Summary of Invalid Fields 327 Defanging Markup for Safety328

Setting Up an Error Page Scenario 333 Analyzing Design-Time Errors 335 Discovering Compile-Time Errors336 Building a single page 336 Building a whole Web site with exclusions 337 Finding Logic Errors 337 Analyzing the sample page at runtime 337 Setting a breakpoint in the code 337 Examining values while debugging 339 Tracking Down a Runtime Error340 Breaking Based on a Condition 342 Editing a Value during Execution 343 Panes to Ease the Pain344 Tracing the (Mis)Steps of a Web Page345 Implementing trace in a page345 Implementing trace for a whole site 346 Using the Debugger Keys and Toolbar 347

Understanding Exceptions and Their Messages349 Global Error Handling351 Catching and E-Mailing Exceptions353 Using TryCatch in Risky Situations 355 Executing a Statement, Finally358 Some Common Error Messages and Where to Look 359 SystemSecuritySecurityException359 SystemNullReferenceException360 Are you missing an assembly reference 360 Button1_Click is not a member of ASPdefault2_aspx 361 Expression of type 1-dimensional array is not queryable361

Use the Copy Web Site Tool 365 Connecting via FTP 366 Connecting by using the FrontPage extensions 367 Connecting via the file system368 Transferring files in the Copy Web tool369 Use the SQL Publishing Wizard 369 Creating a database script 370 Creating a remote database from a script371 Copy a SQL Express Database 372 Fix the @#$%*& SQL Connection 373

Choose an ASPNET-Friendly Host 374 Head Off a Serious Lack of Trust374 Arrggh! It Works Fine on MY Machine! 374 Gather Troubleshooting Info 375 Precompile If You re Code Shy 376 Encrypt Connection Information 377

Stop Bashing Your Head against a Wall 379 Google Is Your Friend 380 Read the Reference Documentation 380 Built-in online help 380 Web-based reference material 380 Ask a Good Question, Get a Good Answer381 Get Free Peer-to-Peer Support381 Join forumsaspnet381 Find experts at msnewsmicrosoftcom382 Use the Starter Kits382 Read the Hottest Blogs 382 Watch the Videos 383 Visit the Expert Web Sites 383 Use the Free Tools384

reetings! You just entered the world of ASPNET 35 For Dummies In case you weren t told on the way in, ASPNET is Microsoft s technology for building dynamic, interactive, data-driven Web pages The primary tool for creating ASPNET sites is Visual Web Developer (VWD), which you use throughout this book Wait a minute! An introduction to an introduction is not only wordy and redundant, it s superfluous and unnecessary