Visual Basic is the full form of VB and is a form of high-level language launched by Microsoft in 1991. It came with Visual Basic 6, or VB6 in 1998 and VB.net or Visual Basic Net-Enabled Technologies in 2008.
Visual Basic 6 is based on the Component Object Model and is a simple form of programming language. It also helps the programmers to understand the language quickly and apply it smoothly to build large applications. It is a form of procedural high-level programming language. It leads to software development with the help of IDA and thus, has amazing user interface design. It is an old form of the application development framework. VB 6 code is formed as P-code or in usual runtime code.
Visual Basic.net is the successor of VB6 which revolves around object-based programming. In this system, every component which performs the interaction is stated as an object. The classes lead to the formation of an object and again there are various class libraries formed which are the major building blocks to develop the VB.net language. The applications under Visual Basic.net can be processed on Microsoft.NET framework. Hence, it is the next generation of visual basics. VB.NET code is executed with the help of .NET runtime. First and foremost, VB .NET code gets processed into Microsoft intermediate language code. This code is the base for all languages like C# or Java and such. Hence, this is the reason why VB.NET is also useful for the back end programming language in ASP.NET applications.
• VB.net supports shared development in comparison to VB 6. It is easier for someone to use VB.net who has already written programs with the help of Visual Basic 6.
• With the help of the migration tool, VB6 can be turned into the .net version. This is the reason why VB.net is widely used for web development.
• Visual Basic.NET uses .NET Common Language Runtime and on the other hand, VB 6 takes use of VB-Runtime.
• Visual Basic 6 is an interpreted form of language whereas Virtual Basic.Net is a compiled language.
• VB.NET is a type-safe language or strongly typed form of language. However, Visual Basic 6 cannot be typed strongly.
• VB.NET is a modern form of object-oriented language and is managed more actively in comparison to VB 6.
• Visual Basic.NET is the kind of language which is supported with the help of the larger Visual Studio .NET suite. Hence, it is a new programming model which supports VB.net and is not found in VB6.
• In VB6, parentheses are needed with arguments to make function calls during the usage of the call statement. On the other hand, in VB.NET, parentheses are always needed in case of the non-empty argument list.
• VB6 is based on a non-object-oriented principle. Whereas, VB.NET, although looks the same as old VB6, is a more powerful tool as it is based on.Net platform.
• VB.Net Data is supported with the help of ADO.net while in VB6 data handling is done through DAO protocol, then RDO, followed by ADO (ActiveX Data Objects).
• The CLR in VB.net is designed in a much better way and even implemented more effectively. The CLR has the best form of code translation with the help of Just in Time compiler whereas VB-Runtime only translates the code.
• Also, CLR Garbage Collector in Virtual Basic.net is a lot more efficient than Visual Basic 6 as it finds out the cycle references easily.
• VB.net is the most versatile platform in comparison to Visual Basic 6.
• VB.net has various built-in class libraries and the major building blocks of the language. This is not involved in Visual Basic 6.
• VB.NET also supports multithreading as well as web development services like web forms and services which are missing in VB 6.
• With help of XML-based ADO.NET data is managed in VB.net. It allows data much more efficiently in comparison to Visual Basic 6.
• DLL registry-related issues have been resolved in the .Net framework which was existing in Visual Basic 6.
To conclude, VB6 has become old and no longer supported by Microsoft anymore. VB6 has been an amazing platform and various applications were built using it. VB6 is based on a non-object-oriented principle. Whereas, VB.NET is more strong due to its base of the .Net platform.
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