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Call Into The .NET Framework From Existing Visual Basic 6.0 Apps     
Total Hits: 71  |  Today: 0Author: Scott Swigart      Rating:  
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Many developers believe that if they are writing code in Visual Basic® 6.0, the vast world of the Microsoft® .NET Framework is off limits to them. But in this article, I’ll prove that isn’t true. I’ll show how you can easily leverage anything in the .NET Framework 2.0 from existing Visual Basic 6.0 applications through a technique known as Visual Basic Fusion. Make no mistake, I’m advocating nothing less than leaving some of your applications in Visual Basic 6.0. However, there’s no reason that ...

Overview of Changes from VB6 to VB.NET     
Total Hits: 246  |  Today: 0Author: Bipin Joshi      Rating:  
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With release of Microsoft .NET platform, Visual Basic has emerged into a fully objected oriented language (dubbed VB.NET). With these radical changes, though, the learning curve between VB6 and VB.NET might be reasonably high even for experienced programmers. In this article I will try to list language changes to Visual Basic along with sample examples wherever appropriate. The list presented here may not be complete but it does cover majority of features. If you are a VB programmer wanting to s...

A Visual Basic Developer's Introduction to Web Development     
Total Hits: 106  |  Today: 0Author: Scott Swigart      Rating:  
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The purpose of this article is to quickly get Visual Basic 6.0 and Visual Basic .NET developers up-to-speed on building Web applications with ASP.NET 2.0. As such, this article endeavors to speak the language of desktop developers, and it focuses on what's different about developing for the Web....

VB.NET compatibility rules     
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The VB.NET Compatibility Check feature uses tens of rules to report VB.NET compatibility issues in VB6 code. Use the rules to prepare existing code for migration and to evaluate the migration work required. A typical compatibility issue cannot be resolved by a computer. Human attention is required....

Tic Tac Toe ... A journey from VB 6 to .NET and GDI+     
Total Hits: 485  |  Today: 0Author: Dan Mabbutt      Rating:  
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The Tic Tac Toe example has now been used in a whole series of articles to demonstrate a range of features of both .NET and GDI+. The second article was "minimal" conversion of the program into VB.NET using the Microsoft Upgrade Wizard. And the third article made an attempt to completely convert the program while keeping the same VB 6 program architecture....

Upgrading VB6 Projects to VB.NET     
Total Hits: 114  |  Today: 0Author:      Rating:  
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This article describes some of the many differences between VB6 and VB.NET. Much of the current VB6 code base will not run under VB.NET due to changes in VB.NET's syntax and language, its use of the new common runtime, and its switch to WinForms from the VB6 form model. Visual Basic.NET includes an upgrade tool to assist in converting VB6 projects to .NET. The tool adds an upgrade report to your project listing any problems and inserts comments into your code and To Do items into the new Task Li...

Migrating to Visual Basic.NET from Visual Basic 6     
Total Hits: 482  |  Today: 0Author: Vaijayantee Sateesh Kamat      Rating:  
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Those already familiar with Visual Basic shouldn't have to worry about migrating to Visual Basic.NET. In this article Vaijayantee shows us how to upgrade our existing applications to Visual Basic.NET, different .NET variable types, and her own personal programming recommendations....

Support WebCast: Upgrading Applications from Microsoft Visual Basic 6.0 to Visual Basic.NET     
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Visual Basic.NET is the next version of the Visual Basic programming language. In this introductory session, we will talk about the benefits of upgrading to Visual Basic.NET. We will also discuss the upgrade tool and what it does. During this WebCast we will talk about architectural guidelines for designing your Visual Basic 6.0 applications to ensure an easy upgrade to Visual Basic.NET. In addition, we will discuss which applications you should upgrade when you do make the decision to upgrade....

Upgrading Visual Basic 6.0 Applications to Visual Basic .NET     
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Microsoft Visual Basic .NET is the next version of the Microsoft Visual Basic® development system, reengineered to be the premier tool for quickly developing Microsoft Windows®–based applications, as well as the next generation of XML Web services and applications. Rather than simply adding some new features to Visual Basic 6.0, Microsoft has built Visual Basic .NET from the ground up on the .NET Framework. This enables Visual Basic developers to take advantage of the enhancements in Visual Basi...

What's New in Visual Basic 9.0? Part 2     
Total Hits: 87  |  Today: 0Author: Wei-Meng Lee      Rating:  
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With the release of Visual Studio 2008, Microsoft has also updated the VB language to the latest version, 9.0. VB 9.0 boasts several key language enhancements that have been made to support the new Language Integrated Query (LINQ) feature that Microsoft has announced earlier. Part 2 of this series picks up where Part 1 left off, walking you through VB 9.0's new LINQ support features and providing code examples that illustrate how to use them....

What's New with the Visual Basic Upgrade Wizard in Visual Basic 2005     
Total Hits: 154  |  Today: 0Author: John Hart      Rating:  
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In Visual Basic 2005, the Upgrade Wizard has added several new features to continue to help you upgrade your Visual Basic 6.0 projects.

The key improvements to the Upgrade Wizard in this version of Visual Basic include the support for upgrading some common Visual Basic 6.0 ActiveX controls, an additional project type, and a few language features that were not previously supported. It also targets some new Visual Basic 2005 features....

What's in Visual Basic 2005 for the Visual Basic 6.0 Developer     
Total Hits: 46  |  Today: 0Author: Scott Swigart      Rating:  
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Review the exciting new changes in version 2.0 of the Microsoft Visual Basic .NET framework that make the switch for Visual Basic 6.0 developers an easy and functional move....

Visual Basic Fusion: Best Practices to Use Visual Basic 6 and Visual Basic .NET Together     
Total Hits: 67  |  Today: 0Author: Scott Swigart      Rating:  
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A Microsoft Visual Basic 6 application can access .NET class libraries, but to do so, it must go through an interoperability layer, known as a client callable wrapper. This wraps the desired .NET class, and exposes it so that it appears as a traditional COM object, which can be used from any environment that can consume COM objects. Learn how to create these wrappers....

Using My.Settings in Visual Basic 2005     
Total Hits: 93  |  Today: 0Author: Emad Ibrahim      Rating:  
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Windows Forms applications require data that is needed for running the application. Most of the time you don't want to include this data in the code or you will have to recompile your application each time you make a change. If your application uses a Web service or a database, you probably want to store the URL or the connection string in a separate file so that you can change them easily. If your application stores the window layout and other UI customization, then you want to store this infor...

Overview of Visual Basic 9.0     
Total Hits: 55  |  Today: 0Author: Erik Meijer, Amanda Silver, and Paul Vick      Rating:  
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Visual Basic has always centered on building pragmatic, data-oriented, line of business applications. While the move to .NET brought the power of a unified framework and a managed platform to the application developer, the next release of Visual Basic includes a set of features that result in a profound effect on a developer's productivity when building data-oriented applications. These language extensions introduce general-purpose query facilities that apply to all sources of data be it relatio...

Defining and Using Generics in Visual Basic 2005     
Total Hits: 80  |  Today: 0Author: Harish Kantamneni      Rating:  
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Generics allow you to provide better compile-time validation when defining and using the types and methods required to handle unrelated types. Examples of such types and methods include the collection type that is required to store data of any kind, and the sort method that is required to sort arrays of various different data types. Generics also help improve performance in some scenarios. Visual Basic 2005 supports both the creation and consumption of generics. This article explains the various...

Robert Green Talks About Communities for Visual Basic .NET     
Total Hits: 112  |  Today: 0Author: Robert Green      Rating:  
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MSDN Magazine recently talked to Robert Green, the Community Lead Program Manager for Visual Basic, about what to expect in the next version and how the Visual Basic team hopes to work more closely with the Visual Basic community....

The Battle: C# VS. Visual Basic     
Total Hits: 116  |  Today: 0Author: Donny Mack      Rating:  
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There has been many questions of which language is better to use with .NET, some say C# some say VB, and some say managed C. So we decided to give you some more detail and let you make up your mind yourself. I think you'll find that the best language to use, is the one you want to use.

The first thing everyone should get familiar with is what managed code or IL language is. Please see the article What is Intermediate Language?...

Building a Custom Validator Using VB.NET     
Total Hits: 57  |  Today: 0Author: Steven Mandel      Rating:  
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I was recently working on a project in which there were two validation requirements placed on a particular server control text box. The first requirement was that the user had to enter data into the text box. The second condition was that the length of the string that the user entered could not exceed a certain number of characters. In addition, a different validation message should appear depending upon which validation failed. At first, I thought that I would just create two validation control...

VB to C# Conversion     
Total Hits: 137  |  Today: 0Author: Jeffrey Schoolcraft      Rating:  
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Here is VB code.
Now for the C# Code....

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