beginning java ee 6 from novice to professional

... Beginning Java EE 5 From Novice to Professional ■■■ Kevin Mukhar and Chris Zelenak with James L. Weaver and Jim Crume Mukhar_470-3Front.fm Page i Tuesday, October 4, 2005 6:20 AM Beginning Java ... interest in Java EE, and you probably have some notion of what you’re getting into. For many fledgling Java EE developers, Java EE equates to Enterprise JavaBeans (EJBs). However, Java EE is a ... CHAPTER 1 ■ JAVA EE ESSENTIALS • What the main Java EE features and concepts are • How to use common Java EE architectures So, without further ado, let’s get started! What Is Java EE? Since you’re

Ngày tải lên: 12/08/2014, 22:22

... the Java EE framework Features and Concepts in Java EE Getting your arms around the whole of Java EE will take some time, study, and patience You’ll need to understand a lot of concepts to get ... that each Java EE vendor provides some added value to its particular Java EE implementation After all, if there weren’t market differentiators, there would be no competi-tion The Java EE specification ... will become familiar terms to you as you build Java EE applications Several providers of Java EE application servers have worked diligently to come up with innovative ways to improve application

Ngày tải lên: 12/08/2014, 22:22

... into the Java code. ■Note If you’re interested in learning more about Java EE-specific security, refer to a book devoted to Java security. One such book is Hacking Exposed J2EE & Java, by ... written in Java and running in a Java EE application server. Summary In this opening chapter, we provided an overview of Java EE and how all the various bits fit together to enable you to create ... listen to Message Service messages, as illustrated in Figure 1-13. The Java EE platform includes a message queue that allows applications to post messages to a queue, as well as to subscribe to

Ngày tải lên: 12/08/2014, 22:22

... You’ll now learn how to getinformation about schemas Trang 26Getting Data About TablesThe term schema has several meanings in regard to relational databases Here, we use it to refer to the design of ... Thegeneral rule is to always use a data reader for simply retrieving data If all you need to do is display data, allyou need to use in most cases is a data reader We’ll demonstrate basic data reader usage ... simply uses a data reader to loop through a result set Let’s say you’ve successfully established a connection with the database, a query hasbeen executed, and everything seems to be going fine—what

Ngày tải lên: 08/08/2014, 18:21

... Add a new row To keep things very simple, just enter zzzfor both the customerand company names Change the city for customer WOLZA from Warszawato Gdansk Now click the Save Data button The new row ... WOLZA’s city back to Warszawaanddeleting customer zzz Click Save Data to propagate the changes to the database.Once again, you didn’t write any code to access Customers, not even to perform navi-gation ... the left button to << Back Change the text ofright button to Next >> Your form should look like that in Figure 9-13 3. Drag a DataSetcontrol onto the form You should see the window

Ngày tải lên: 09/08/2014, 14:20

... through each feed foreach ($feeds as $feed) { // Retrieve the feed Figure 20-3 depicts the output based on these three feeds Although the use of a static array for containing feeds certainly ... quite nicely For example, suppose you want to limit total headlines displayed for a given feed to three You can use array_slice() to truncate it prior to iteration, like so: $rss->items = array_slice($rss->items, ... actually having to visit the syndicating Web site With just the feed’s URL, the user can store it, along with others if he likes, into a tool that is capable of retrieving and parsing the feed, allowing

Ngày tải lên: 09/08/2014, 14:21

... as safe as possible 185 6676CH11.qxd 9/ 27/06 11: 59 AM Page 186 6676CH12.qxd 9/ 27/06 12:00 PM CHAPTER Page 187 12 Security S ince Ajax has only recently begun to receive mainstream recognition, ... function to create this unique token In fact, the code used to generate this token is taken directly from the uniqid() PHP manual page, at www .php. net/ uniqid 6676CH12.qxd 9/ 27/06 12:00 ... ENABLED WEB APPLICATIONS168 6676CH10.qxd 9/27/06 11:59 AM Page 168 value is entered. Your data validation is simple in that it just checks to make sure some- thing has been entered. You then loop

Ngày tải lên: 05/08/2014, 10:20

... 781590 599006 5 3 9 9 9 What every C# programmer needs to know about SQL Server 2005, T-SQL, ADO.NET 3.5, and LINQ James Huddleston, author of Beginning VB 2005 Databases: From Novice to Professional ... Huddleston C# 2008 Databases The eXperT’s Voice ® in .neT Beginning C# 2008 Databases From Novice to Professional cyan MaGenTa yelloW Black panTone 123 c Vidya Vrat Agarwal and James Huddleston ... only—size & color not accurate spine = 0.9682" 512 page count Books for professionals By professionals ® Beginning C# 2008 Databases: From Novice to Professional Dear Reader, This book focuses

Ngày tải lên: 08/08/2014, 18:21

... database design needs to be Normal-denormalized to adequately meet operational needs. Normalizing a logical database design involves a set of formal processes to rate the data into multiple, related ... Trang 19Beginning with QueriesA query is a technique to extract information from a database You need a query window into which to type your query and run it so data can be retrieved from the ... You should see the results shown in Figure 4-5 Trang 25Figure 4-5.Using the PIVOToperator to summarize dataHow It Works to appear in the result set select CardType ,[2006] as Year2006,[2007] as

Ngày tải lên: 08/08/2014, 18:21

... than or equal to EmployeeID >= 1 <> Not equal to EmployeeID <> 1 != Not equal to EmployeeID != 1 !< Not less than EmployeeID !< 1 !> Not greater than EmployeeID !> 1 ... Execute You should see the results shown in Figure 5-6 select orderid,employeeid,customerid,orderdate,shipcountry into #myorder from orders Trang 10Figure 5-6.Creating a new tableEven though you ... butsometimes they need to be accessed from C#, so here you’ll see how to write a storedprocedure with an output parameter so you can use it in a C# program later You’ll alsosee how to return a value

Ngày tải lên: 08/08/2014, 18:21

... code in Listing 8-2 into the code editor Listing 8-2 button1_Click()... transaction to both add a customer to and delete one from the Northwind Customers table The Customers table has eleven ... you’ll ever need to know. At any rate, this chapter will give you what you need to know to start experimenting with it. Try It Out: Creating a Table to Store XML T o cr eate a table to hold XML ... directive to Transaction.cs using System.Data.SqlClient; 6 Next you want to add a click event for the button Double-click button1, and it will open the code editor with the button1_click

Ngày tải lên: 08/08/2014, 18:21

... using the debugger to locate the line of code where theerror occurs usually doesn’t help—the problem almost always occurs on the call totheOpenmethod The question is, why? You need to look at the ... them to be.Here, we’ll describe the connection properties common to most data providers Try It Out: Displaying Connection Information In this example, you’ll see how to write a program to display ... the connection string, so you were connected to theSQL Server’s default database master If you wanted to connect to the Northwind data-base, you’d need to specify the Databaseparameter, for example:

Ngày tải lên: 08/08/2014, 18:21

... It Worksfrom sqlto updin order to clearly distinguish it from this statement // SQL to update employees string upd = @" update employeesset city = @citywhere employeeid = @employeeid "; ... how to persist the original data source changes made to a dataset ■ Note Changes you make to a dataset aren’t automatically propagated to a database To save the changes in a database, you need to ... stringstring connString = @"select *fromemployeeswherecountry = 'UK' "; // SQL to delete employeesstring del = @" delete from employeeswhere employeeid = @employeeid "; // create connectionSqlConnection

Ngày tải lên: 08/08/2014, 18:21

... control’s TextAlign property to Top,Center 7. Set the Dock property for the Label control from None to Top, which means youwant the label to always be affixed with the top border of the form 8. ... from Form1.cs Trang 7Figure 14-16.GUI design of the AddNames formYou want the user to add a name into the TextBox and click the Add button, afterwhich that name will be added to the ListBox To ... youneed to switch back to Design view When you have a lot of changes, it can be atedious process to see how each change made to the various controls and theirrespective properties looks To avoid

Ngày tải lên: 08/08/2014, 18:21

... Works The stored procedure tries to insert a new employee into the Employees table insert into employees ( employeeid,firstname) values (50, 'Cinderella') However, since the EmployeeID column ... property to True, which is set to False by default 6. Drag a Label control from the Toolbox to below the TextBox and set its AutoSizeproperty to False Also, set the Label’s Font Size property to 12 ... Errorscollection 1. Insert the code in Listing 16-6 into the button5_Clickmethod Note that you’reintentionally misspelling the database name Listing 16-6.button5_Click()// create connectionSqlConnection

Ngày tải lên: 08/08/2014, 18:21

... toEmployees and the Text property to Get Employees 15. Drag a Button control onto the form, and set its Name property to btnEmployeesand Text property to Get Employees 16. Drag a ListBox control onto ... should see the results shown inFigure 19-6 Figure 19-6.Retrieving customer data with LINQ to SQL C H A P T E R 1 9 ■ U S I N G L I N Q 441 Trang 4public class Customer and then you’d have to change ... string sql = @" selectEmployeeFirstName,EmployeeLastNamefrom employees "; Though on the surface it seems not so difficult to make such changes, if you factor in the possibility that there

Ngày tải lên: 08/08/2014, 18:21

... 63 Summary 64 ■ CHAPTER 4 Introducing ADO.NET 65 Why ADO.NET? 65 From ADO to ADO.NET 65 ADO.NET Isn’t a New Version of ADO 66 ADO.NET and the NET Base Class Library 67 Understanding ... 456 Summary 457 ■ CHAPTER 18 Introducing LINQ 459 What Is LINQ? 460 Installing LINQ 461 Using LINQ to SQL 466 Try It Out: Coding a Simple LINQ to SQL Query 467 How It Works 469 ... Second Edition Beginning Trang 2James Huddleston, Ranga Raghuram,Syed Fahad Gilani, Jacob Hammer Pedersen, and Jon Reid Beginning C# 2005 Databases From Novice to Professional Trang 3Beginning C#

Ngày tải lên: 09/08/2014, 14:20