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     Visual Basic.NET  Adnan Vallippadan adnanvp9@gmail.com  Contents Introduction to .NET Framework  ................................................................................................................. 4 VB.NET  .......................................................................................................................................................... 4 Console Applications  .................................................................................................................................... 4 Web Applications  ......................................................................................................................................... 5 Windows Application  ................................................................................................................................... 5 Difference between Windows Application and Web Application  .............................................................. 5 Keywords  ...................................................................................................................................................... 6 Data Types in VB.NET  ................................................................................................................................... 6 Numeric Data Types  ................................................................................................................................. 6 Non Numeric Data Types  ......................................................................................................................... 6 Variables  ....................................................................................................................................................... 6 Declaring Variables  ................................................................................................................................... 7 Assigning values to variables  ................................................................................................................... 7 Variables vs Constants  ............................................................................................................................. 7 Type Conversion Functions  ...................................................................................................................... 7 Operators in VB.NET  ..................................................................................................................................... 7 Logical Operators in detail  ........................................................................................................................... 9 Starting with Console Applications  ............................................................................................................ 10 Console.Write Method  ............................................................................................................................... 11 Console.WriteLine Method  ........................................................................................................................ 12 Differences between Console.Write() & Console.WriteLine()  .................................................................. 12 Console.ReadLine Method  ......................................................................................................................... 12 Console.Read Method  ................................................................................................................................ 12 Reading Values into Variables from standard input devices  .................................................................... 12 Adding Commands in a Program  ............................................................................................................... 13 Displaying a Message  .................................................................................... Error! Bookmark not defined.   Selection Statements  ................................................................................................................................. 14 Iteration Statement  .................................................................................................................................... 16 1. While…End While  Statements  ....................................................................................................... 17 2. Do While…Loop Statements  .............................................................................................................. 17 3. Do Until…Loop  .................................................................................................................................... 18 4. For…Next Statements  ........................................................................................................................ 18 5. For Each…Next  Statements  ................................................................................................................ 19 6. Do…Loop While Statements  .................................................................................................................. 19  7. Do…Loop Until Statements  ................................................................................................................ 20 Arrays  ...................................................................................................................................................... 21 Object Oriented Programming ................................................................................................................... 24 OOP & VB.Net  ............................................................................................................................................. 27    Introduction to .NET Framework .NET is a software framework which is designed and developed by Microsoft. The first version of .Net framework was 1.0 which came in the year 2002. In easy words, it is a virtual machine for compiling and executing programs written in different languages like C#, VB.Net etc. It is used to develop Console applications, Form-based applications, Web-based applications, and Web services. It is used to build applications for Windows, phone, web etc. It provides a lot of functionalities and also supports industry standards. .NET Framework supports more than 60 programming languages in which 11 programming languages are designed and developed by Microsoft. VB.NET Visual Basic .NET (VB.NET) is an object-oriented computer programming language implemented on the .NET Framework. Console Applications A console application is a computer program designed to be used via a text-only computer interface, such as a text terminal, the command line interface of some operating systems (Unix, DOS, etc.). It doesn’t have any graphical user interface. Console Appli cations will have character based interface. Figure 1

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Sep 22, 2019
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