What is an EJB? An Enterprise JavaBean (EJB) is a reusable, portable J2EE component. EJBs consist of methods that encapsulate business logic....
Introduction A subroutine is a container that holds a series of VBScript statements. Suppose you'd like to create a block of code that...
PL/SQL exception handling is a mechanism for dealing with run-time errors encountered during procedure execution. Use of this mechanism enables...
PL/SQL uses cursors for all database information access statements. The language supports the use of both implicit and explicit cursors. Implicit...
If you go through any standard C# books you will see the constructors and so I would not get into the details of the constructors but what is more...
Data integrity is about enforcing data validation rules such as checking that a percentage amount is between 0 and 100 and to ensure that invalid...
Every class has at least one it's own constructor. Constructor creates a instance for the class. Constructor initiates something related to the...
An operator is a symbol applied to data values that causes the computer to carry out a specific operation on that data . In VBScript, operators...
Arrays are one way of keeping a program more organized. They allow you to do some things that are difficult without them. Arrays are usually a...
Introduction Exceptions are unforeseen errors that happen in your programs. Most of the time, you can, and should, detect and handle program...
The Date object is used to work with dates and times. The Date object is useful when you want to display a date or use a timestamp in some sort of...
This article shows you how to track the session between different JSP pages. In any web application user moves from one page to another and it...
Earlier in client- server computing, each application had its own client program and it worked as a user interface and need to be installed on...
Exceptions are used to change the normal flow of a script if a specified error occurs.Exception handling is used to change the normal flow of the...
Arrays are common to many programming languages. They are special variables which can hold more than one value, each stored in its own numbered...
Repetitive tasks are always a burden to us. Deleting spam email, sealing 50 envelopes, and going to work are all examples of tasks that are...
If you program in more than one language, sometimes you want to use an phrase or expression from one language in the other, when it does not...
The controls you select for your application's form are important because the controls (also called tools) provide the application interface for...
Command buttons appear in almost every window of every Windows application. Command buttons determine when the user wants to do something such as...
IntelliSense is a form of automated autocompletion popularized by the Microsoft Visual Studio Integrated Development Environment. It also serves...
Separate names with a comma.