Visual Basic

Learn VB Net by Chuck Easttom PDF

By Chuck Easttom

ISBN-10: 1556229526

ISBN-13: 9781556229527

While visible uncomplicated was once brought in 1991, it revolutionized home windows programming. the most recent model of visible simple, VB.NET, keeps that development, and now has all of the energy and performance of alternative mainstream languages. research VB.NET covers all features of VB.NET in a structure designed to teach beginner programmers the way to increase expert functions. starting with easy programming thoughts, the writer leads readers throughout the basics of object-oriented programming, Microsoft's .NET structure, ADO.NET, and item versions. also, readers will find out about designing software program, trying out and debugging, and constructing Web-based functions. a short creation to object-oriented software program layout with Unified Modeling Language is equipped, besides a dialogue of TCP/IP programming.
The ebook bargains various examples and completely operating expert caliber functions to demonstrate highlighted techniques, and contains evaluation questions on the finish of every bankruptcy.

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Project Add Windows Adds a new form to your project. When you select Form this, you will be prompted as to what type of form you wish to add. You will usually select the Windows Form option, but Visual Basic has a number of premade forms you may want to use. NET Add Module Adds a blank code module. Add Class Adds a class module. Add Component Adds new components to your toolbox so that you can use them in your project. Visual Basic has many more components than you see in your toolbox. This option lets you select which components you want to be visible.

For example, if you want to get the left three characters in a text box you can use this code: Private sMyString as String sMyString = left(TxtMyText,3) This will place the leftmost three characters of txtMyText into the string sMyString. So, if the text box txtMyText had the word “Hello” in it, sMyString would now have “Hel” in it. NET Right 43 This is very similar to the Left command, except that it returns the right side characters requested. For example: Private sMyString as String sMyString = right(TxtMyText,2) This command will remove all blank spaces from a string.

Before we get too far into this chapter, I would like to introduce you to the necessary terminology. Variables A variable is a place in memory set aside to hold data of a particular type. Essentially, when you declare a variable, a given number of bytes of memory are set aside to hold data of the type specified. A variable is declared in the following manner: Dim VariableName as Datatype Some more specific examples would include: Dim iCounter as Integer Dim Lname as String Each data type is designed to hold variables of a specific kind and for a specific purpose.

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Learn VB Net by Chuck Easttom


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