Beginning Asp.Net 1.0 With C#.Net

by Wrox Author Team

• ISBN13: 9781861007346
• ISBN10: 1861007345
• Format: Trade Paper
• Copyright: 2002-06-27
• Publisher: WROX

Summary

Updated and expanded version, also updated to the final version release of ASP.NET. Provides new security issue coverage. Softcover.

Table of Contents

Introduction	1	(1)
What does this Book Cover?	1	(2)
Who is this Book For?	3	(1)
What do you Need to use This Book?	4	(1)
Conventions	4	(1)
Customer Support	5	(4)
How to Download the Sample Code for the Book	5	(1)
Errata	6	(1)
E-mail Support	6	(1)
p2p.wrox.com	7	(1)
Why this System Offers the Best Support	7	(2)
Getting Started with ASP.NET	9	(54)
What is a Static Web Page?	10	(1)
How are Static Web Pages Served?	11	(2)
The Limitation of Static Web Pages	12	(1)
What is a Web Server?	13	(1)
How are Dynamic Web Pages Served?	13	(9)
Two Ways of Providing Dynamic Web Page Content	14	(1)
Client-Side Dynamic Web Pages	14	(1)
Server-Side Dynamic Web Pages	15	(2)
An Overview of the Technologies	17	(1)
Client-Side Technologies for Providing Dynamic Content	17	(2)
Server-Side Technologies for Providing Dynamic Content	19	(3)
What is ASP.NET?	22	(1)
How does ASP.NET Differ from ASP?	22	(1)
I'm Still Confused about ASP, ASP.NET, and C#	23	(1)
The Installation Process	23	(19)
Installing the IIS 5.x Web Server	24	(3)
Working with IIS	27	(1)
Testing your Installation	28	(1)
Identifying your Web Server's Name	29	(1)
Browsing to a Page on your Web Server	30	(3)
Managing Directories on your Web Server	33	(1)
Virtual Directories	34	(5)
Permissions	39	(3)
Configuring Directory Security	42	(8)
Prerequisites for Installing ASP.NET	45	(1)
Installing ASP.NET and the .NET Framework SDK	46	(4)
Troubleshooting Hints and Tips	50	(1)
ASP.NET Test Example	50	(3)
ASP.NET Troubleshooting	53	(7)
Program Not Found, the Result of the ASP.NET Isn't Being Displayed, or The Browser Tries to Download the File	53	(2)
Page Cannot Be Displayed: HTTP Error 403	55	(1)
Page Cannot Be Found: HTTP Error 404	56	(2)
Web Page Unavailable while Offine	58	(1)
I Just Get a Blank page	58	(1)
The Page Displays the Message but not the Time	58	(1)
I Get an Error Statement Citing a Server Error	59	(1)
I Have a Different Problem	59	(1)
Summary	60	(3)
Anatomy of an ASP.NET Page	63	(24)
What is .NET?	63	(6)
From Your Code to Machine Code	65	(1)
Introducing a Common Intermediate Language	66	(1)
Objects, Objects Everywhere	66	(1)
The .NET Base Classes	67	(1)
The Class Browser	68	(1)
How ASP.NET Works	69	(10)
Saving your ASP.NET Files with an ASPX Suffix	69	(1)
Inserting ASP.NET Code into our Web Pages	70	(1)
The <script> Tags	70	(6)
Inline Code Blocks (the <% %> Delimiters)	76	(1)
Server Controls	77	(2)
ASP.NET in Action	79	(6)
Binding to a Database	79	(4)
Binding to a Simple XML File	83	(2)
Summary	85	(2)
Forms and HTML Server Controls	87	(40)
Forms in the Real World	88	(1)
Web Pages, HTML Forms, and Web Forms	88	(2)
Simple Web Theory	90	(3)
The HTTP Protocol	91	(1)
Where ASP.NET Fits in with the .NET Framework	92	(1)
HTML Forms	93	(4)
The <form> Tag	93	(1)
The action Attribute	94	(1)
The method Attribute	94	(2)
HTML Form Controls	96	(1)
How the <form> Tag Works in ASP.NET	97	(28)
ASP.NET Server Controls	98	(1)
The <asp:label> Control	98	(4)
Control Attributes	102	(1)
The <asp:dropdownlist> Control	103	(7)
The <asp:listbox> Control	110	(3)
The <asp:textbox> Control	113	(4)
The <asp:radiobutton> and <asp:radiobuttonlist> Controls	117	(4)
The <asp:checkbox> and <asp:checkboxlist> Controls	121	(4)
Summary	125	(1)
Exercises	125	(2)
Storing Information in C#	127	(50)
What is a Variable?	128	(4)
Declaration	128	(4)
Data Types	132	(11)
Numeric Types	133	(2)
Suffixes	135	(1)
Character Data Types	135	(1)
The string Type	135	(2)
The char Type	137	(1)
Escape Sequences	137	(2)
Boolean Type	139	(1)
The Object Type	139	(1)
Handling Dates	139	(1)
Naming Variables	140	(2)
Case Issues	142	(1)
Hungarian Notation	142	(1)
Operators	143	(6)
Assignment Operator	144	(1)
Arthimetic Operations	145	(1)
Operator Precedence	146	(2)
Concatenating Strings	148	(1)
Converting Between Data Types	149	(11)
Implicit Conversion	149	(2)
Explicit Conversion	151	(1)
Invalid Casts	152	(1)
Data Conversion	153	(1)
String Output	154	(1)
Data Input	155	(1)
What if Conversions Fail?	156	(4)
Constants	160	(1)
Structured Data Types	161	(12)
Arrays	161	(5)
Multi-Dimensional Arrays	166	(1)
Jagged Arrays	167	(1)
Structs	168	(3)
Enumerations	171	(2)
Summary	173	(1)
Exercises	173	(4)
Introducing XML	177	(32)
The Format of XML	177	(3)
Tags and Elements	178	(1)
Attributes	179	(1)
Examples of Markup Languages	180	(2)
SGML	180	(1)
HTML	181	(1)
Drawbacks of HTML	182	(1)
How XML Came About	182	(1)
Creating an XML Document	183	(5)
Beyond Data Display	188	(9)
Well-Formed vs. Valid Documents	189	(1)
Well-Formed Documents	189	(7)
Valid Documents	196	(1)
Styling XML	197	(7)
Why Use Style Sheets?	198	(1)
Cascading Style Sheets	199	(5)
Using XML with ASP.NET	204	(1)
Summary	204	(1)
Exercises	205	(4)
Control Structures and Procedural Programming	209	(52)
A Quick Look at Control Structures	210	(2)
Overview of Branching Structures	210	(1)
Overview of Looping Structures	210	(1)
Overview of Functions	211	(1)
When to Use a Particular Control Structure	211	(1)
Branching Structures in Detail	212	(21)
Comparison Operators	213	(1)
Logical Comparisons Using if	213	(1)
Logical Operators	214	(2)
Extending if Statements Using else if and else	216	(3)
The Conditional or Ternary Operator	219	(1)
Comparing Strings	220	(1)
A Word about Nested ifs and Indenting	220	(7)
Conditional Statements Using Switch...case	227	(3)
Another Note on Nesting and Indenting	230	(3)
Looping Structures in Detail	233	(11)
The for Loop	234	(5)
The while Loop	239	(3)
The do...while Loop	242	(1)
The foreach Loop	243	(1)
Break and Continue	243	(1)
Functions in Detail	244	(13)
Defining Functions	244	(1)
Return Types and Parameters	245	(1)
Calling Functions	246	(5)
Variable Scope	251	(1)
Local Variables	252	(3)
Global Variables	255	(2)
Summary	257	(1)
Exercises	258	(3)
Event-driven Programming and Postback	261	(28)
What is an Event?	262	(1)
What is Event-driven Programming?	263	(1)
ASP.NET Events	263	(4)
Events in HTML	267	(2)
Server Control Events in ASP.NET	269	(6)
The ASP.NET button Server Control	272	(3)
Event-Driven Programming and Postback	275	(5)
The IsPostBack Test	280	(1)
Changing the Way we Program on the Web	280	(6)
Summary	286	(1)
Exercises	286	(3)
Introduction to Objects	289	(44)
Organizing Your Code	290	(1)
So, What's an Object?	291	(5)
Abstraction -- Modeling the Real World	293	(1)
Encapsulation -- The Black Box	294	(1)
Object Properties	295	(1)
Object Methods	295	(1)
Using Objects	296	(33)
Where do Objects Come From?	296	(1)
Defining a class	297	(3)
Creating Objects	300	(1)
Setting Objects to null	301	(1)
Using Methods and Properties	302	(9)
Initializing Objects with Constructors	311	(5)
Overloaded Methods	316	(8)
Operator Overloading	324	(3)
An Example of Operator Overloading	327	(1)
More on Operator Overloading	328	(1)
Summary	329	(1)
Exercises	330	(3)
Shared Members and Class Relationships	333	(48)
Shared Members	334	(8)
Shared Properties	334	(3)
Shared Methods	337	(5)
Class Relationships	342	(21)
Association -- `Uses A'	342	(7)
Containment -- A `Has a' Relationship	349	(3)
Containment in .NET	352	(2)
Inheritance -- `Is A'	354	(3)
Terminology for Inheritance	357	(1)
The Pros and Cons of Inheritance	358	(1)
System.Object -- The Ultimate Base Class	358	(5)
The Limitations of Inheritance	363	(1)
Advanced Inheritance Concepts	363	(14)
Virtual Functions	365	(2)
Referring to the Current Object -- The this Reference	367	(1)
Abstract Classes and Interfaces	367	(2)
Converting between Object Types	369	(1)
Implicit Conversions	370	(1)
Explicit Conversions	371	(1)
Boxing and Unboxing	372	(2)
User-Defined Conversions	374	(3)
Summary	377	(1)
Exercises	378	(3)
Objects in ASP.NET	381	(50)
Namespaces	382	(2)
Namespaces for ASP.NET	384	(1)
The Page Class	384	(7)
Redirecting the User to Another Page	387	(4)
ASP.NET Core Objects	391	(18)
Request Object	392	(5)
Response Object	397	(5)
Server Object	402	(7)
State Handling	409	(19)
Application State	410	(5)
Session State	415	(6)
Cookies	421	(1)
How Do Cookies Work?	421	(6)
Shelf Life -- How Long Do Cookies Last?	427	(1)
Sessions and Cookies	427	(1)
Summary	428	(1)
Exercises	428	(3)
Objects and Structured Data	431	(30)
What is a Collection?	431	(13)
Different Types of Collection	432	(1)
Arrays as Collections	433	(3)
Searching an Array	436	(3)
Working on Multiple Elements in an Array	439	(3)
Data Binding	442	(1)
Pros and Cons of Working with Arrays	443	(1)
Getting More from Collections	444	(14)
ArrayList	444	(4)
Some More ArrayList Techniques	448	(2)
Hashtable	450	(2)
Using a Hashtable	452	(3)
SortedList	455	(3)
Summary	458	(1)
Exercises	459	(2)
Reading from Data Sources	461	(38)
Understanding Modern Databases	461	(4)
Data Models	462	(1)
Normalization and Relational Databases	463	(2)
ADO.NET	465	(27)
NET Data Providers	467	(1)
ADO.NET Objects	468	(1)
The Connection Object	469	(1)
Connecting to Northwind	470	(6)
The Command Object and DataReader	476	(6)
Simple Data Binding	482	(3)
The DataSet and DataTable Objects	485	(4)
Microsoft SQL Server and ADO.NET	489	(3)
Catching Errors	492	(4)
Summary	496	(1)
Exercises	497	(2)
Manipulating Data Sources	499	(42)
Disconnected Data	500	(1)
Methods of Updating Data	500	(1)
DataSets and DataTables	501	(2)
The DataRow Object	503	(8)
Updating the Original Data Source	511	(1)
The Command Object	511	(1)
The DataAdapter Object	512	(2)
The CommandBuilder Object	514	(4)
The DataAdapter.Update Method	518	(5)
Referential Integrity	523	(1)
Updating Data -- Summary	523	(1)
Using SQL	524	(5)
Adapting the DataAdapter Commands	524	(1)
Using Stored Procedures	525	(2)
Direct SQL Commands	527	(2)
Using SQL -- Summary	529	(1)
XML	529	(7)
XML into Strings	533	(1)
XML in a DataSet	533	(3)
What to Study Next	536	(1)
Summary	537	(1)
Exercises	537	(4)
ASP.NET Server Controls	541	(62)
Other Types of Controls	543	(3)
HTML Server Controls	543	(1)
HTML Server Controls vs. ASP.NET Server Controls	544	(1)
User Controls	545	(1)
ASP.NET Server Controls	546	(5)
Rich Object Model	546	(1)
Automatic Browser Detection	546	(1)
Properties	547	(1)
Events	548	(3)
Page Lifecycle	551	(49)
Page_Load	551	(1)
Event Handling	552	(1)
Page_Unload	552	(9)
Control Families	561	(1)
Intrinsic Controls	561	(1)
Validation Controls	562	(1)
Rich Controls	563	(3)
Data Rendering Controls	566	(4)
The XML Source -- MyCalendar.xml	570	(1)
The Web Form -- MyCalendar.aspx	571	(14)
Editing the Data Using Templates	585	(15)
Summary	600	(1)
Exercises	601	(2)
Reusable Code for ASP.NET	603	(30)
Encapsulation	603	(1)
Components	604	(3)
Why use Components?	605	(1)
Applying Component Theory to our Applications	606	(1)
User Controls	607	(14)
When Should we use User Controls?	608	(13)
Code Behind	621	(7)
Using Code Behind	625	(3)
Inheritance	628	(2)
Summary	630	(1)
Exercises	631	(2)
NET Assemblies and Custom Controls	633	(40)
Three-Tier Application Design	634	(1)
ASP.NET Application Design	635	(1)
.NET Assemblies	636	(23)
What is Compilation?	638	(4)
Accessing a Component from within an ASP.NET Page	642	(3)
XCopy Deployment	645	(1)
Accessing Assemblies in Other Locations	646	(1)
Writing Code in Other Languages	647	(3)
Data Access Components	650	(9)
Custom Server Controls	659	(4)
What are Custom Controls?	659	(1)
How are Custom Controls Different from User Controls?	659	(1)
How are Custom Controls different from Business Objects?	659	(4)
How it All Fits Together	663	(6)
Summary	669	(1)
Exercises	669	(4)
Debugging and Error Handling	673	(50)
A Few Good Habits	674	(1)
Good Coding Practice	674	(13)
How and from where do Errors Arise?	677	(1)
Syntax Errors	677	(2)
Logical Errors	679	(3)
Trapping Invalid Data	682	(4)
System Errors	686	(1)
Finding Errors	687	(9)
Debug mode	688	(2)
Tracing	690	(1)
Page-Level Tracing	690	(3)
Writing to the trace log	693	(2)
Application-Level Tracing	695	(1)
Handling Errors	696	(15)
On Error Goto...?	697	(1)
Structured Error Handling	697	(1)
Exceptions	698	(1)
Using try...catch...finally	699	(1)
Multiple catch Blocks	700	(2)
What You Can Put in a catch Block	702	(1)
And finally	703	(1)
Generating Exceptions using throw	703	(3)
Nested try Blocks	706	(3)
Handling Errors Programmatically	709	(2)
Notification and Logging	711	(9)
Customized Error Messages	712	(3)
Writing to the Event Log	715	(1)
System. Diagnostics Namespace	715	(3)
Mailing the Site Administrator	718	(1)
System. Web. Mail Namespace	718	(2)
Summary	720	(3)
Web Services	723	(38)
What is a Web Service?	724	(4)
HTTP, XML, and Web Services	728	(5)
HTTP GET	729	(1)
HTTP POST	730	(1)
Simple Object Access Protocol (SOAP)	731	(2)
Building an ASP.NET Web Service	733	(13)
Processing Directive	733	(1)
Namespaces	734	(1)
Public Class	734	(1)
Web Methods	734	(3)
Testing your Web Service	737	(3)
Using your Web Service	740	(6)
Consuming a Web Service	746	(6)
How does a Proxy Work?	746	(2)
Creating a Proxy	748	(4)
Web Service Discovery	752	(1)
Securing a Web Service	753	(2)
Username-Password Combination or Registration Keys	753	(1)
Secure Sockets Layer (SSL)	754	(1)
IP Address Restriction	755	(1)
Other Considerations	755	(3)
Network Connectivity	755	(1)
Asynchronous Method Calls	756	(1)
Service Hijacking (or Piggybacking)	757	(1)
Provider Solvency	757	(1)
The Interdependency Scenario	757	(1)
Summary	758	(1)
Exercises	758	(3)
Configuration and Optimization	761	(24)
Configuration Overview	762	(5)
Browsing .config Files	762	(1)
The Configuration Files	763	(2)
Configuration File Rules	765	(1)
Configuration File Format	766	(1)
The Structure of the Configuration Files	767	(4)
General Configuration	767	(1)
Page Configuration	768	(1)
Application Settings	769	(1)
Custom Errors	769	(2)
Performance Optimization	771	(8)
Caching	771	(1)
Output Caching	771	(3)
Fragment Caching	774	(1)
Tracing	775	(4)
Monitoring the ASP.NET Process	779	(3)
Tips and Tricks	782	(1)
Summary	783	(2)
ASP.NET Security	785	(36)
What is Security?	785	(1)
Types of Security	786	(1)
Authentication	786	(31)
Implementing Basic Authentication	787	(11)
Weighing up Basic Authentication	798	(1)
Integrated Windows Authentication	799	(3)
Weighing up Integrated Windows Authentication	802	(1)
Implementing Forms-based Authentication	803	(9)
Forms-based Authentication using a database	812	(5)
Encryption using SSL	817	(1)
Microsoft Passport Authentication	817	(1)
What is Microsoft Passport?	817	(1)
Why Passport?	817	(1)
Technologies supported by Passport	818	(1)
Summary	818	(3)
Index	821