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Opening, Closing, and Hiding Forms with Visual Basic .NET

Having multiple forms as part of your Visual Basic .NET program may be nice, but when your Visual Basic .NET program runs, it normally displays one form. To make the other forms of your program appear [more…]

Building Your First DataSet in Visual Basic .NET

A DataSet can contain all the basic elements of a database: tables, keys, indexes, and even relations between tables. So by creating a DataSet, you'll be discovering the structure of a database at the [more…]

Understanding Data Types in Visual Basic .NET

Variables are essential to computer programming, just as they are in many other aspects of life. Any container with a label is the real-world equivalent of a variable. And you're surrounded by named containers [more…]

Getting a Look At Web Services

Web services promise to be the next major frontier in computing. Up until the advent of Web services, interoperability and integration (the exchange of data among computer systems) were extremely limited [more…]

Creating Event-Handling Procedures with Visual Basic .NET

Whenever the user takes any action, such as clicking the mouse, pressing a key, passing out on the keyboard, or putting a bullet through the monitor, the action is called an [more…]

Understanding Scope in Visual Basic .NET

VB.NET programs are subdivided into zones, just as the United States is divided into states, counties, and cities. Just as law enforcement agents have different sizes of jurisdictions [more…]

Discovering Visual Basic .NET's Internet Technology: ASP .NET

ASP .NET is the technology built into .NET that you use to create Web pages and other Internet-based applications. ASP.NET is not merely the next version of ASP [more…]

Using Visual Basic .NET to Manipulate Your Windows

Visual Basic .NET gives you three ways to display windows on the screen. [more…]

Considering Design Strategies for Web Services

You should consider several strategies to better understand how you will design your Web services. How will you organize your code into projects, classes, methods, properties, and events? After you have [more…]

Checking Out the Visual Basic .NET User Interface

Because a computer monitor can display only a limited amount of information on the screen at any given time, Visual Basic .NET provides several different windows for displaying vital information about [more…]

Looking at the Pros and Cons of Using a Prefab Web Service

One of the great things about .NET is the capability to use someone else's software that was written as a Web service. This means that you don't have to reinvent the wheel every time you need to incorporate [more…]

Planning for Web Services: Gathering a Team

If you want to be successful in doing anything in life, you must plan. With real estate, you hear the often-quoted phrase, "location, location, location. [more…]

Creating COM and .NET Objects with Windows PowerShell 2

PowerShell 2 enables you to automate your Windows operating system, which entails dealing with objects: COM objects are created using the New-Object method with the [more…]

How to Create and Run a PowerShell Script

As you automate your Windows operating system with PowerShell 2, it helps to know how to create scripts that you may be able to loop and use more than once. The steps to create a script follow: [more…]

Commonly Used Automatic Variables in Windows PowerShell 2

PowerShell 2 helps you automate functions within Windows. Its automation functions include automatic variables, variables the system defines automatically that are given values based on the condition or [more…]

Commonly Used Comparison Operators in Windows PowerShell 2

As you use PowerShell 2 to help automate your Windows operating system, you use comparison operators to compare one value with another. Some of PowerShell 2's most common comparison operators are listed [more…]

Using Conditional Statements in Windows PowerShell 2

As you automate your Windows operating system with PowerShell 2, you use conditional statements to run different script blocks depending on a specific condition, usually using an [more…]

Performing Loops in Windows PowerShell 2

As you automate your Windows operating system with PowerShell 2, you can automate some of the script you need as well. Loops run the same script block multiple times — often on changing values. A few examples [more…]

Using LINQ Visual Basic Query Clauses with ASP.NET 3.5

ASP.NET 3.5, with its access to LINQ query clauses, is a valuable tool in creating a dynamic Web site, whether you’re designing a site for your ultimate Frisbee team or to offer online shopping to your [more…]

Using LINQ Visual Basic Aggregate Functions with ASP.NET 3.5

ASP.NET 3.5 in tandem with LINQ makes writing queries for your Web site a snap — or at least pretty easy. One of the most-used queries is Aggregate, which helps you find any or all of the queried terms [more…]

ASP.NET 3.5 For Dummies Cheat Sheet

Creating dynamic Web sites is why you use ASP.NET 3.5. It can help you to create a reunion Web site for multiple users or to expand your business site to enable online shopping. And when you integrate [more…]

Windows PowerShell 2 For Dummies Cheat Sheet

With the Windows PowerShell 2 scripting language, you can automate your Windows operating system. During that process, you may need to deal with automatic variables, comparison operators, COM and .NET [more…]

Shortcut Keys for the Visual Basic .NET Editor

Visual Basic .NET not only helps you program like a pro even if you have no programming experience at all, it offers many handy tools to help. One of those tools is a whole range of shortcut keys you can [more…]

Visual Basic .NET Data Types

Visual Basic .NET (VB .NET) lets you get right to the basics without having to wade through translators. The following table shows you the data types VB .NET uses, as well as their CLR structure, storage [more…]

Standardized Naming Conventions for Visual Basic .NET

When you’re programming, names are important. If you’re programming with Visual Basic .NET, the following table can be a major help in getting the names right. It gives the common prefix to use when naming [more…]


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