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Printed: September 2004 in (whereever you are located)
Mastering C# Database Programming
@Team LiB
© 2004 Your company
Publisher
Special thanks to:
All the people who contributed to this document, to mum and dad
and grandpa, to my sisters and brothers and mothers in law, to our
secretary Kathrin, to the graphic artist who created this great
product logo on the cover page (sorry, don't remember your name
at the moment but you did a great work), to the pizza service down
the street (your daily Capricciosas saved our lives), to the copy
shop where this document will be duplicated, and and and
Last not least, we want to thank EC Software who wrote this great
help tool called HELP & MANUAL which printed this document.
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Table of Contents
Foreword
1
Part I
Table of Contents
3
Part II
BackCover
5
Part III
Mastering C# Database Programming
7
Part IV
Introduction
9
91 How to Use This Book
112 Downloading the Example Programs
Part V
Part 1: Introduction to ADO.NET and
Databases
13
131 Chapter 1: Introduction to Database Programming with ADO.NET
13Obtaining the Required Software
14Developing Your First ADO.NET Program
17Connecting to Access and Oracle Databases
19Introducing Visual Studio .NET
23Using the .NET Documentation
25Using the SQL Server Documentation
26Summary
262 Chapter 2: Introduction to Databases
27Introducing Databases
28Using SQL Server
34Exploring the Northwind Database
43Building Queries Using Enterprise Manager
45Creating a Table
50Summary
513 Chapter 3: Introduction to Structured Query Language (SQL)
51Using SQL
70Accessing a Database Using Visual Studio .NET
73Summary
734 Chapter 4: Introduction to Transact-SQL Programming
74Fundamentals of Transact-SQL
77Using Cursors
78Using Functions
86Creating User-Defined Functions
89Introducing Stored Procedures
91Introducing Triggers
94Summary
945 Chapter 5: Overview of the ADO.NET Classes
95The Managed Provider and Generic Data Set Classes
98Performing a SQL SELECT Statement and Storing the Rows Locally
102Summary
Mastering C# Database Programming @Team LiBI
© 2004 Your company
1026 Chapter 6: Introducing Windows Applications and ADO.NET
103Developing a Simple Windows Application
109Using Windows Controls
110Using a DataGrid Control to Access a Database
116Using the Data Form Wizard to Create a Windows Form
124Summary
Part VI
Part 2: Fundamental Database Programming
with ADO.NET
126
1261 Chapter 7: Connecting to a Database
126Understanding the SqlConnection Class
128Using a SqlConnection Object to Connect to a SQL Server Database
132Creating a Connection Object Using Visual Studio .NET
137Summary
1382 Chapter 8: Executing Database Commands
138The SqlCommand Class
140Creating a SqlCommand Object
141Executing SELECT Statements and TableDirect Commands
149Executing Commands that Modify Information in the Database
151Introducing Transactions
152Supplying Parameters to Commands
156Executing SQL Server Stored Procedures
160Creating a Command Object Using Visual Studio .NET
161Summary
1623 Chapter 9: Using DataReader Objects to Read Results
162The SqlDataReader Class
165Creating a SqlDataReader Object
165Reading Rows from a SqlDataReader Object
167Returning Strongly Typed Column Values
168Using the Get* Methods to Read Column Values
170An Example of Using the Get* Methods
177Reading Null Values
177Executing Multiple SQL Statements
179Using a DataReader Object in Visual Studio .NET
181Summary
1824 Chapter 10: Using Dataset Objects to Store Data
182The SqlDataAdapter Class
185The DataSet Class
195Writing and Reading XML Using a DataSet Object
198Mapping Tables and Columns
199Reading a Column Value Using Strongly Typed DataSet Classes
203Creating a DataAdapter Object Using Visual Studio .NET
207Creating a DataSet Object Using Visual Studio .NET
208Summary
2085 Chapter 11: Using DataSet Objects to Modify Data
209The DataTable Class
211The DataRow Class
212The DataColumn Class
213Adding Restrictions to DataTable and DataColumn Objects
221Finding, Filtering, and Sorting Rows in a DataTable
223Modifying Rows in a DataTable
IIContents
II
© 2004 Your company
228Retrieving New Identity Column Values
230Using Stored Procedures to Add, Modify, and Remove Rows from the Database
235Automatically Generating SQL Statements
236Exploring the DataAdapter and DataTable Events
240Dealing with Update Failures
242Using Transactions with a DataSet (SQL)
243Modifying Data Using a Strongly Typed DataSet
244Summary
2456 Chapter 12: Navigating and Modifying Related Data
245The UniqueConstraint Class
246Creating a UniqueConstraint Object
247The ForeignKeyConstraint Class
248Creating a ForeignKeyConstraint Object
249The DataRelation Class
250Creating and Using a DataRelation Object
252Adding, Updating, and Deleting Related Rows
256Issues Involved When Updating the Primary Key of a Parent Row
259Nested XML
261Defining a Relationship Using Visual Studio .NET
264Summary
2647 Chapter 13: Using DataView Objects
265The DataView Class
267Creating and Using a DataView Object
268Using the Default Sort Algorithm
269Performing Advanced Filtering
269The DataRowView Class
270Finding DataRowView Objects in a DataView
271Adding, Modifying, and Removing DataRowView Objects from a DataView
273Creating Child DataView Objects
274The DataViewManager Class
274Creating and Using a DataViewManager Object
275Creating a DataView Using Visual Studio .NET
277Summary
Part VII
Part 3: Advanced Database Programming with
ADO.NET
279
2791 Chapter 14: Advanced Transaction Control
279The SqlTransaction Class
280Setting a Savepoint
282Setting the Transaction Isolation Level
286Understanding SQL Server Locks
293Summary
2932 Chapter 15: Introducing Web Applications-ASP.NET
294Creating a Simple ASP.NET Web Application Using VS .NET
297The Web Form Controls
299Building a More Complex Application
302Using a DataGrid Control to Access a Database
310Using a DataList Control to Access a Database
315Maintaining State in a Web Application
318Creating a Simple Shopping Cart Application
322Summary
3223 Chapter 16: Using SQL Server's XML Support
Mastering C# Database Programming @Team LiBIII
© 2004 Your company
322Using the SQL Server FOR XML Clause
327Introducing XPath
329Introducing XSLT
331Accessing SQL Server Using HTTP
339Using the SQL Server OPENXML() Function
341Using an XmlDocument Object to Store an XML Document
346Using an XmlDataDocument Object to Store an XML Document
348Summary
3494 Chapter 17: Web Services
349Creating a Web Service
351Viewing a WSDL File and Testing a Web Service
354Using a Web Service
356Registering a Web Service
359Summary
Part VIII
Index
362
3621 Index_B
3622 Index_C
3623 Index_D
3624 Index_E
3625 Index_F
3626 Index_G
3627 Index_H
3628 Index_I
3629 Index_J
36210 Index_K
36211 Index_L
36312 Index_M
36313 Index_N
36314 Index_O
36315 Index_P
36316 Index_Q
36317 Index_R
36318 Index_S
36319 Index_T
36320 Index_U
36321 Index_V
36322 Index_W
36323 Index_X
36324 Index_Y
Part IX
List of Figures
365
IVContents
IV
© 2004 Your company
Part X
List of Tables
369
Part XI
List of Listings
372
Part XII
List of Sidebars
375
Index 0
Mastering C# Database Programming @Team LiBV
© 2004 Your company
Foreword
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placed between table of contents
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1Foreword
© 2004 Your company
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Part
I
[...]... object of the SqlConnection class to connect to a SQL Server database You use an object of the OleDbConnection class to connect to any database that supports OLE DB (Object Linking and Embedding for Databases), such as Oracle or Access You use an object of the OdbcConnection class to connect to any database that supports ODBC (Open Database Connectivity) Ultimately, all communication with a database is... mySqlConnection.Close(); Handling Exceptions You handle exceptions that might be thrown in your code by placing the code within a try/catch block You'll notice that the nine steps are placed within a try/catch block, with the catch block handling a SqlException object that might be thrown by the code in the try block The SqlException class is specifically for use with code that accesses a SQL Server database. .. id=SCOTT;password=TIGER"; // create an OleDbConnection object to connect to the // database, passing the connection string to the constructor OleDbConnection myOleDbConnection = new OleDbConnection(connectionString); // create an OleDbCommand object OleDbCommand myOleDbCommand = myOleDbConnection.CreateCommand(); // set the CommandText property of the OleDbCommand object to // a SQL SELECT statement that retrieves... OleDbConnectionAccess { public static void Main() { // formulate a string containing the details of the // database connection string connectionString = "provider=Microsoft.Jet.OLEDB.4.0;" + "data source=F:\\Program Files\\Microsoft Office\\Office\\Samples\\Northwind.mdb"; // create an OleDbConnection object to connect to the // database, passing the connection string to the constructor OleDbConnection... DB) such as Access or Oracle You'll learn more about the System.Data.OleDb namespace in Chapter 5, "Overview of the ADO.NET Classes." Connecting to an Access Database You connect to an Access database using an OleDbConnection object-rather than a SqlConnection object-with a connection string of the following format: provider=Microsoft.Jet.OLEDB.4.0;data source=databaseFile © 2004 Your company 18 Mastering. .. myOleDbConnection = new OleDbConnection(connectionString); // create an OleDbCommand object OleDbCommand myOleDbCommand = myOleDbConnection.CreateCommand(); // set the CommandText property of the OleDbCommand object to // a SQL SELECT statement that retrieves a row from the Customers table myOleDbCommand.CommandText = "SELECT CustomerID, CompanyName, ContactName, Address "+ "FROM Customers "+ "WHERE CustomerID... Northwind database SqlConnection mySqlConnection = new SqlConnection( "server=localhost ;database= Northwind;uid=sa;pwd=sa" ); // step 2: create a SqlCommand object SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); // step 3: set the CommandText property of the SqlCommand object to // a SQL SELECT statement that retrieves a row from the Customers table mySqlCommand.CommandText = "SELECT CustomerID, CompanyName,... 5.1.3 Connecting to Access and Oracle Databases Connecting to Access and Oracle Databases In this section you'll see examples of connecting to both an Access and an Oracle database To interact with either of these databases in your program, you use classes from the System.Data.OleDb namespace This namespace contains classes for use with databases that support object linking and embedding for databases... "FROM Customers "+ "WHERE CustomerID = 'ALFKI'"; Step 4: Open the SqlConnection Object Step 4 opens the database connection using the Open() method of the SqlConnection object created in step 1: mySqlConnection.Open(); Once the connection to the database is open, you can send commands to the database for © 2004 Your company 16 Mastering C# Database Programming @Team LiB execution Step 5: Run the SELECT... in the try block You'll learn more about this later in the section "Handling Exceptions" after I've discussed the nine steps in the following sections Step 1: Create a SqlConnection Object to Connect to the Database You use an object of the SqlConnection class to connect to a SQL Server database Step 1 in the Main() method creates a SqlConnection object named mySqlConnection to connect to the SQL Server . OdbcConnection. You use an
object of the SqlConnection class to connect to a SQL Server database. You use an object of the
OleDbConnection class to connect. 1261 Chapter 7: Connecting to a Database
126Understanding the SqlConnection Class
128Using a SqlConnection Object to Connect to a SQL Server Database
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Xem thêm: Mastering C Sharp Database Programming doc, Mastering C Sharp Database Programming doc, Chapter 1: Introduction to Database Programming with ADO.NET, Chapter 5: Overview of the ADO.NET Classes, Chapter 6: Introducing Windows Applications and ADO.NET, Part 2: Fundamental Database Programming with ADO.NET, Part 3: Advanced Database Programming with ADO.NET