beginning java ee 5 from novice to professional pdf free

... 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 ... overview of Java EE and how all the various bits fit together to enable you to create powerful business components We first looked at what Java EE is and tackled the obvious issue of moving from creating ... 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

... connection Trang 510. A window reporting a successful test should appear (see Figure 9-15) (If it doesn’t,cancel your work and carefully try again.) Click OK. Figure 9-15.Connection to Northwind ... 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

Ngày tải lên: 08/08/2014, 18:21

... to persist in the original data sourcechanges made to a dataset ■ Note Changes you make to a dataset aren’t automatically propagated to a database To save thechanges in a database, you need to ... for meeting specific needs in an optimal way ■ Tip In general, try to exploit SQL, rather than code C# procedures, to get the data you need from thedatabase Database servers are optimized to perform ... querystring qry = @"select *fromemployeeswherecountry = 'UK' "; // SQL to update employeesstring upd = @" update employeesset city = @citywhere employeeid = @employeeid "; // create connectionSqlConnection

Ngày tải lên: 09/08/2014, 14:20

... database Youneed to call the Open method on the connection connec-To execute the query, you first create a command object, passing its constructor the SQL to run and the connection on which to run ... used, you need to beclear on its core functionality Each NET data provider is designed to do the following two things very well: • Provide access to data with an active connection to the data ... essentially a three-tier process An application uses ODBCfunctions to submit database requests ODBC converts the function calls to the protocol(call-level interface) of a driver specific to a given

Ngày tải lên: 12/08/2014, 10:21

... it has all been done before Therefore, when envisioning what I wanted to do with a photo gallery, I brainstormed features that I would like to see implemented whenever I deploy a photo gallery, ... you wish to load the message into By making use of thisfunction, you create a means to keep the user informed as to what’s going on CodingAjax applications is all about making the user feel secure ... finished its upload to the server The next section will show how to the displaythe uploaded image Trang 3Displaying ImagesSo, were you beginning to wonder when you might get into the whole Ajax

Ngày tải lên: 12/08/2014, 15:23

... ablog, return buttons, and new page links within articles It can be a strange affair to havecontent load in near the top of a page when you just clicked a link near the bottom Back Button Issues The ... but-ton, all their work will not be for naught Additionally, you should also provide Back and Forward links for users to move between each page in the form Let’s have a look at how to use Ajax to ... I O N 118 Trang 4complicated is that your goal is to always show as many images as possible (subjectto the maxperrowsetting), while trying to keep the selected image in the middle of the navigation

Ngày tải lên: 05/08/2014, 10:20

... going to pass to your XMLHttpRequestobject as the POSTdata After all the values have been checked, you check whether any error messageshave been set If they have, you use the showMessagefunction to ... expecting from the form This allows you toeasily loop over these values and sanitize the data accordingly You then write each value from the form to this array, in a format that is safe to write to ... so there is no need to see either script (they areavailable for download from the Apress web site) Let’s, however, have a look at the pagewith the form on it (Listing 11-1) to see how the Ajax

Ngày tải lên: 05/08/2014, 10:20

... Jon Reid Beginning C# 2008 Databases From Novice to Professional Trang 4Beginning C# 2008 Databases: From Novice to ProfessionalCopyright © 2008 by Vidya Vrat Agarwal, James Huddleston, Ranga ... information on translations, please contact Apress directly at 2855 Telegraph Avenue, Suite 600, Berkeley, CA 94705 Phone 510-549-5930, fax 510-549-5939, e-mail info@apress.com, or visit http:// www.apress.com. ... Transactions in ADO.NET 151 Summary 156 ■ CHAPTER 9 Getting to Know ADO.NET 157 Understanding ADO.NET 157 The Motivation Behind ADO.NET 158 Moving from ADO to ADO.NET 159 ADO.NET Isn’t a

Ngày tải lên: 08/08/2014, 18:21

... T T I N G TO K N O W YO U R TO O L S 25 Trang 5Getting to KnowRelational Databases to give you a brief introduction to the important concepts of the PC database world before diving into the examples ... lowing query and click Execute 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 ... 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

Ngày tải lên: 08/08/2014, 18:21

... BETWEENand NOT IN Trang 6Table 5-5.The BETWEENand INOperatorsBETWEEN True if a value is within a range WHERE extension BETWEEN 400 AND 500 returns the rows where Extension is between 400 and 500, ... comparison operators in a WHEREclause (see Table 5-1) Table 5-1.Comparison Operators < Less than EmployeeID < 1 > Greater than EmployeeID > 1 <= Less than or equal to EmployeeID <= ... don’t have to be If you work with another version of SQL, please refer to its documentation for specifics In addition to these operators, the LIKEoperator (see Table 5-2) allows you to matchpatterns

Ngày tải lên: 08/08/2014, 18:21

... 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 ... to add a click event for the button Double-click button1, and it will open the code editor with the button1_click event Insert the code in Listing 8-2 into the code editor Listing 8-2 button1_Click()... ... guaranteed to succeed or fail as one unit. 135 CHAPTER 8 9004ch08final.qxd 12/13/07 4:13 PM Page 135 A common example of a transaction is the process of transferring money from a checking account to

Ngày tải lên: 08/08/2014, 18:21

... data reader vs a dataset 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 ... component of a data provider, in addition to connections and commands, is the data reader Once you’ve connected to a database and queried it, you need some way to access the result set This is where ... readers Trang 5Using Data ReadersIn Chapter 11, you used data readers to retrieve data from a multirow result set In this chapter, we’ll look at data readers in more detail You’ll see how they’re

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. ... is used to request web pages from the webserver and then to send the response back to the web browser C H A P T E R 1 5 ■ B U I L D I N G A S P N E T A P P L I C AT I O N S 350 9004ch15final.qxd ... 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

... 16-9.Stored procedure database exception message How It Works The stored procedure tries to insert a new employee into the Employees table insert into employees ( employeeid,firstname) values (50, ... of the form to Events 2. Open the Toolbox and drag a Button control over to the form Select the Buttoncontrol, navigate to the Properties window, and set the control’s Text property toClick Me ... 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 and TextAlignproperty to MiddleCenter Now your

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 ... Framework 3.5 and the addition of Language IntegratedQuery (LINQ) to Visual Studio 2008, a new version of ADO.NET has also been introduced: ADO.NET 3.5 To work with ADO.NET 3.5 features, you need to have ... Try It Out: Coding a Simple LINQ to SQL Query In this exercise, you’ll use LINQ to SQL to retrieve all customers from the Northwind Cus-tomers table 1. Navigate to Solution Explorer, right-click

Ngày tải lên: 08/08/2014, 18:21