Working With Variables in C Sharp
Scope defines which parts of the program can access a variable. If a variable is declared inside a method, its scope is local to the method within which it was declared. If a variable is declared inside a class, its scope is local to the class within which it was declared. More ...
C Sharp Keywords
keywords, sometimes called reserved words, are predefined words that have special meaning to the compiler. Keywords cannot be used by the programmer as identifiers such as variable, method, or class names. A programmer must use keywords only in designated locations in the code. More ...
Visual Basic File Reading and Writing
The biggest problem with administering the list myself is adding and deleting email addresses from the list. Before you add an address to the list you have to make sure it's not already on the list. More ...
Visual Basic 2005 Express: Now Playing
Visual Basic 2005 Express is designed to make Windows programming easy for everyone. Some people want to write programs for a career. Others want to create a new product. Still others want to learn for the sheer mental exhilaration. More ...
Easy Visual Basic Image Viewer
The easiest way to display images in Visual Basic is to use a PictureBox control. In this example, we'll use a PictureBox control to create a simple image viewer application, and we'll use an OpenFileDialog control to load an image file from disk. More ...
Your First Visual Basic 2010 Express Program
Visual Basic is very popular because its Visual Programming Environment lets you develop Windows applications by dragging and dropping controls from a Toolbox. It's also popular because it's based on the Basic programming language, and because Visual Basic Express edition can be downloaded from Microsoft's website for free. More ...
Six Important Points When Importing Data Into An Access Database
Asking general users to import data into an Access database without knowing too muchabout how Microsoft Access works and they will become frustrated within minutes. The most desirable way of using external data is by importing or linking data to an Access table object. Once the data has been imported or linked, you treat it like any other data table and build your queries, forms and reports. More ...
How to Design an Access Relational Database Management System (RDBMS)
A Relational Database stores data as relations (a collection of tables with each table consisting of a set of rows and columns. A Relational Database Management System provides relational operators to manipulate the data in tabular form. This article explains step-by-step how to design an Access Relational Database Management System (RDBMS). More ...
Getting Started With Microsoft Access 2019
Microsoft Access database application has always been a powerful program and the latest version, Access 2019, no different. But all that power makes Access a difficult application to learn on your own. More ...
Three Main Principles of OOP (Object Oriented Programming)
Object Oriented Programming (OOP) is actually classified by three main principles: Encapsulation, Inheritance, and Polymorphism. These appear to be frightening terms but are actually fairly easy principles to grasp. More ...
