THE TUTORIAL LIBRARY
Procedures are made up of series of Visual Basic statements that, when called, are executed. After the call is finished, control returns to the statement that called the procedure.
Read tutorialOne of the biggest headaches a programmer can have is working with dates. Handling hours, minutes, and seconds can be as bad as working with shillings, pence, and pounds. Fortunate
Read tutorialWhile loops keep looping while the condition they test remains true, so you use a While loop if you have a condition that will become false when you want to stop looping. Here's th
Read tutorialYou use the For Each…Next loop to loop over elements in an array or a Visual Basic collection. This loop is great, because it automatically loops over all the elements in the arr
Read tutorialThe For loop is probably the most popular of all Visual Basic loops. The Do loop doesn't need aloop index, but the For loop does; a loop index counts the number of loop iterations
Read tutorialThe Do loop keeps executing its enclosed statements while or until (depending on which keyword you use, While or Until) condition is true. You can also terminate a Do loop at any t
Read tutorialYou have to get a value from the user and respond in several different ways, but you're not looking forward to a long and tangled series of If…Then…Else statements. What can yo
Read tutorialHow can you make choices in your code, deciding what to do next depending on the values in your variables? You can use the If statement, which is the bread-and-butter of Visual Bas
Read tutorialVisual Basic comes with plenty of built-in operators, which let you manipulate your data. For example, here I'm adding the values in intVariable1 and intVariable2 with the addition
Read tutorialYou've decided to lead the way into the future by letting your users type in sentences as commands to your program. Unfortunately, this means that you have to parse (i.e., break do
Read tutorialIt's time to start coding that database program. But wait a moment-how are you going to handle the data? It's just a simple program, so you don't want to start tangling with the fu
Read tutorialIn this case, I've turned Option Strict on, which means that Visual Basic will not automatically convert data types when you assign a value of one type to a variable of another, so
Read tutorialOne example today. A better developer tomorrow.