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Description

Visual Basic.NET is a Microsoft-created object-oriented programming language which incorporates features of Microsoft's .NET Framework and Web Services, such as SOAP, which were originally developed using XML. Visual Basic.NET, which thought would be a "sequel" to Visual Basic 6.0, has a totally different language core.Visual Basic.NET is a language designed to create .NET applications, Windows or Web applications, and Web Services.

Visual Basic is not only a programming language, but also a complete graphical development environment. This environment allows users with little programming experience to quickly develop useful Microsoft Windows applications which have the ability to use OLE ( Object Linking and Embedding ) objects, such as an Excel spreadsheet. Visual Basic also has the ability to develop programs that can be used as a front end application to a database system, serving as the user interface which collects user input and displays formatted output in a more appealing and useful form than many SQL versions are capable of.

Visual Basic's main selling point is the ease with which it allows the user to create nice looking, graphical programs with little coding by the programmer, unlike many other languages that may take hundreds of lines of programmer keyed code. As the programmer works in the graphical environment, much of the program code is automatically generated by the Visual Basic program.

Key Features
In order to understand the concepts of Visual Basic,it is necessary to understand the major concepts, objects and tools used by Visual Basic. The main object in Visual Basic is called a form. This form will eventually be incorporated into your program as a window. To this form you add controls. Controls are things like text boxes, check boxes and command buttons. Controls are added to your form by choosing them from the Visual Basic "tool box" with the mouse and inserting them in the form.The key features are

  • Object-Oriented Programming(OOP) : The developers of the language incorporated object-oriented programming (OOP) features such as inheritance, method overloading, organized exception handling, and free threading to make Visual Basic a powerful object-oriented programming language. (Prior versions were extensible from the very beginning.)

  • Graphical User Interface : GUI With Visual Basic .NET we can drag objects from the Toolbox into the Work area, specify the Properties and behavior of each object and thereby create business applications while learning the programming.
  • Windows API : There is abstraction of the hardware, meaning that a programmer of Visual Basic.NET does not have to know about the inner workings of the hardware because Windows handles the functionality of the hardware, provides generic routines (Windows API, or Application Programming Interface) to communicate with hardware drivers provided by hardware manufacturers.

Areas of Application

Using Visual Basic's tools, you quickly translate an abstract idea into a program design you can actually see on the screen. VB encourages you to experiment, revise, correct, and network your design until the new project meets your requirements. VB presents a 3-step approach for creating programs:

  1. Design the appearance of your application.
  2. Assign property settings to the objects of your program.
  3. Write the code to direct specific tasks at runtime.
Visual Basic can and is used in a number of different areas, for example:
  • Education
  • Research
  • Medicine
  • Business
  • Commerce
  • Marketing and Sales
  • Accounting
  • Consulting
  • Law
  • Science



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