Table Of ContentASP.NET 3.5
A Beginner’s Guide
William B. Sanders
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DOI: 10.1036/007159194X
Contents at a Glance
PART I Getting Started
1 Introduction to ASP.NET 3.5 .............................................. 3
2 ASP.NET 3.5 Tools and Development Environment ....................... 25
3 C# and ASP.NET 3.5 ...................................................... 47
4 Doing More with C# and ASP.NET ....................................... 85
PART II Forms and Controls
5 HTML Forms: A Review .................................................. 107
6 Standard Web Controls ................................................... 127
7 CSS for ASP.NET 3.5 Page Formatting ................................... 173
8 Control Events and Event Handlers ...................................... 197
9 Validation Controls ........................................................ 215
10 Rich Data Controls ........................................................ 247
vii
viii ASP.NET 3.5: A Beginner’s Guide
PART III ASP.NET and Databases
11 A SQL Primer ............................................................. 269
12 ADO.NET: Hello Database ................................................ 287
13 Data Binding .............................................................. 329
14 LINQ ...................................................................... 353
15 Files ........................................................................ 371
16 Security .................................................................... 389
17 ASP.NET Ajax ............................................................. 419
Index ...................................................................... 441
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Contents
ACKNOWLEDGMENTS ........................................................... xvii
INTRODUCTION .................................................................. xix
PART I Getting Started
1 Introduction to ASP.NET 3.5 .............................................. 3
HTML Forms to Nowhere ........................................................... 4
Try This: HTML Data Entry with No Exit ........................................... 5
Your Browser Is a Thin Client ................................................. 5
A Protocol Without a Country: Stateless HTTP ................................ 6
ASP.NET 3.5 as an Alternative to CGI ............................................... 8
From Client Side to Server Side ..................................................... 9
.NET Organization .................................................................. 12
Development Contexts ........................................................ 14
Running ASP.NET Files on Your Computer or LAN ........................... 14
ASP.NET in the Real World ................................................... 22
Language Partners with ASP.NET ............................................. 22
2 ASP.NET 3.5 Tools and Development Environment ....................... 25
Visual Studio 2008 .................................................................. 26
Installing Visual Studio 2008 .................................................. 27
The Visual Studio 2008 Environment .......................................... 27
ix
x ASP.NET 3.5: A Beginner’s Guide
Creating a Simple ASP.NET Application ............................................ 28
ASPX and C# Files ................................................................. 38
The ASPX File ................................................................ 38
The C# File ................................................................... 39
More Visual Studio 2008 Tools ...................................................... 41
Other Tools for ASP.NET Development with C# ..................................... 44
Dreamweaver ................................................................. 44
POTE—Plain Old Text Editor ................................................. 44
3 C# and ASP.NET 3.5 ...................................................... 47
C# 3.0 and ASP.NET 3.5 ............................................................ 48
Case and Naming Variables and Instances ..................................... 49
Types, Statements, and Expressions ........................................... 50
Basic C# Structures ................................................................. 54
Variables and Constants ....................................................... 54
Operators and Punctuators .......................................................... 58
Basic Operators ............................................................... 59
Symbols in Grammar and Punctuators ......................................... 63
Conditional Statements .............................................................. 64
If and Else .................................................................... 64
Loops ......................................................................... 69
Arrays ........................................................................ 78
4 Doing More with C# and ASP.NET ....................................... 85
Events and Handling Them .......................................................... 86
Adding ASP.NET Controls Events to C# ...................................... 86
Adding Statements to the Event Handlers ...................................... 88
Creating and Using Classes ......................................................... 92
Making a Simple C# Class .................................................... 92
Using Interfaces ..................................................................... 99
Doing More with C# and Object-Oriented Programming ............................. 103
PART II Forms and Controls
5 HTML Forms: A Review .................................................. 107
Working with Form Tags and Attributes ............................................. 108
HTML Tag Properties ......................................................... 109
Try This: Using HTML Forms with ASP.NET Web Sites ............................. 109
C# and HTML Tags ........................................................... 111
HTML Buttons ................................................................ 112
Try This: Using HTML Buttons ..................................................... 112
Standard Buttons and HTML Forms ........................................... 113
Try This: Using Standard ASP.NET Buttons ......................................... 113
Contents xi
Using HTML Forms Interactively ................................................... 116
Extracting Values from HTML Forms ......................................... 117
Try This: A Political Poll Using HTML Forms ....................................... 122
6 Standard Web Controls ................................................... 127
Data Entry .......................................................................... 128
TextBox Control for Data Entry ............................................... 129
CheckBox and CheckBox List Controls ....................................... 135
Try This: CheckBox Web Control ................................................... 136
Try This: Creating CheckBoxList Web Control ...................................... 140
RadioButton and RadioButtonList Controls ................................... 144
Try This: Making Mutually Exclusive Selections .................................... 146
DropDownList and ListBox Controls .......................................... 148
Data Display ........................................................................ 154
TextBox (as a Data Display) ................................................... 155
Label and Literal Web Controls ............................................... 155
Panel ......................................................................... 157
Display All at Once ........................................................... 158
Triggers, Links, and Images ......................................................... 161
Buttons ....................................................................... 161
HyperLink .................................................................... 161
Image ......................................................................... 162
Trigger, Image, and Link Application .......................................... 163
Try This: Events and Triggers ....................................................... 164
ImageMap .................................................................... 166
Try This: Using the ImageMap ...................................................... 166
7 CSS for ASP.NET 3.5 Page Formatting ................................... 173
Styling with the Properties Window ................................................. 174
Styling Web Controls ......................................................... 174
Styling Web Forms ............................................................ 176
Designing with CSS ................................................................. 179
Visual Studio 2008 CSS Design Tool .......................................... 180
Try This: Designing CSS with Visual Studio 2008 ................................... 180
CSS External Style Sheets ........................................................... 185
The Color Scheme ............................................................ 186
C# Style ............................................................................ 194
8 Control Events and Event Handlers ...................................... 197
Automatic Events ................................................................... 198
Double-Click in the Design Mode ............................................. 198
Selecting Events in the Properties Window .................................... 199
IntelliSense and Events ........................................................ 200
xii ASP.NET 3.5: A Beginner’s Guide
Events and Event Handling .......................................................... 201
Try This: Using Multiple Web Controls .............................................. 202
Button Command Events ............................................................ 205
Changing the Event Handler Parameters ....................................... 205
One Event Handler, Many Controls ........................................... 206
Using Command Events for Tasks ............................................. 209
Try This: Using the CommandArgument ............................................ 210
9 Validation Controls ........................................................ 215
Where to Validate ................................................................... 216
Client-Side Validation ......................................................... 216
Types of Validation ........................................................... 217
RequiredFieldValidator .............................................................. 218
Visual Validation .............................................................. 218
Try This: Creating a Page with Required Validation ................................... 219
RangeValidator ..................................................................... 223
Try This: Validating on a Range of Values ........................................... 224
RegularExpressionValidator ......................................................... 227
Try This: Working with Regular Expressions ........................................ 227
CompareValidator ................................................................... 232
Try This: Comparing Fields for Validation ........................................... 232
CustomValidator .................................................................... 236
Try This: Customizing Validation ................................................... 237
Summarizing Validation Errors ...................................................... 241
10 Rich Data Controls ........................................................ 247
Calendar Web Control ............................................................... 248
Easy Style .................................................................... 249
Changing Selections .......................................................... 250
Try This: Responding to Selections .................................................. 250
Soccer Mom’s Calendar ....................................................... 253
Try This: Using the DayOfWeek Property ........................................... 254
AdRotator Web Server Control ...................................................... 257
XML and the Seven Tags ...................................................... 257
Try This: Basic AdRotator ........................................................... 258
PART III ASP.NET and Databases
11 A SQL Primer ............................................................. 269
Data Types in SQL and C#: Essential Details and Differences ........................ 270
Writing SQL Commands ...................................................... 272
Conventions Used in Writing SQL Commands ................................ 272
Contents xiii
CREATE: The SQL Command You Will Rarely Use ................................. 273
Planning a Table .............................................................. 274
Specifying SQL Data Types ................................................... 275
Primary Key and Unique Values ............................................... 275
Coding Table Creation ........................................................ 276
Adding Data to a Table with INSERT ................................................ 278
Looking into a Table with SELECT and FROM ..................................... 279
The WHERE Filter ............................................................ 279
Sorting Output with ORDER BY .............................................. 280
Changing Data with UPDATE ....................................................... 281
Multiple Record UPDATE .................................................... 282
Making Multiple Partial Changes .............................................. 283
ADD a New Field with ALTER ..................................................... 283
When You Must DELETE a Record ................................................. 284
Single DELETE ............................................................... 284
Clear a Whole Table with DELETE ........................................... 285
Removing a Table Using DROP ..................................................... 285
12 ADO.NET: Hello Database ................................................ 287
Creating a Database ................................................................. 288
Working with the Server Explorer ............................................. 289
Adding a Table to the Database ................................................ 290
Adding Data to a Table ........................................................ 292
Making a Table Query ......................................................... 294
Creating Web Sites for Database Use ................................................ 296
First Use the SqlClient Namespace ............................................ 296
Building a Web Site for Database Retrieval .................................... 299
Entering Data from a Web Site ...................................................... 301
Automatic Data Entry ......................................................... 301
Adding Data with INSERT .................................................... 303
Programming INSERT in C# .................................................. 306
Dynamic Data Entry .......................................................... 310
Changing Data with UPDATE ................................................. 313
Removing Data with DELETE ................................................ 317
Adding More Filters to the DELETE Operation with AND ..................... 320
Using Good Practices ............................................................... 324
13 Data Binding .............................................................. 329
What Is Data Binding? .............................................................. 330
Basic Binding ....................................................................... 331
Try This: Adding Data Binding ...................................................... 331
xiv ASP.NET 3.5: A Beginner’s Guide
Repeater ............................................................................ 334
Basic Templates ............................................................... 335
Try This: Repeating a Table ......................................................... 335
Alternating Templates ......................................................... 340
DataList ............................................................................ 342
Try This: Add a DataList ............................................................ 343
DataGrid Made Easy ................................................................ 346
ListView ............................................................................ 348
14 LINQ ...................................................................... 353
LINQ Basics ........................................................................ 354
ASP.NET 3.5 and LINQ ............................................................. 355
Try This: Getting Started with LINQ ................................................ 355
C# Uses LINQ ...................................................................... 366
Array Data Source ............................................................ 366
The IEnumerable<T> Interface ................................................ 366
A Simple C# Example ......................................................... 366
Try This: Working with the IEnumerable<T> Interface .............................. 366
15 Files ........................................................................ 371
Writing Files ........................................................................ 372
Using StreamWriter ........................................................... 372
Try This: Write a Text File .......................................................... 373
Using MapPath ............................................................... 375
Appending Files .............................................................. 378
Try This: Adding Content to an Existing File ........................................ 378
Reading Text Files .................................................................. 381
Using StreamReader .......................................................... 381
The ReadLine Method ........................................................ 381
Viewing Directories and Files ....................................................... 384
Locating and Displaying Directories ........................................... 384
Locating and Displaying Files ................................................. 384
16 Security .................................................................... 389
Putting Web.config to Work ......................................................... 390
Using Multiple Web.config Files .............................................. 391
Developing a Forms Authentication Configuration ............................. 393
First Login Application ........................................................ 393
Membership Security ............................................................... 398
Try This: A Member Based Security Web Site ....................................... 399
Remote Registration ................................................................ 411
How to Get to the Registration Page ........................................... 411
Try This: A Simple Login and Registration Application .............................. 413
Adding Roles ................................................................. 416
