VB.net Interview Questions and Answers

Last updated on Feb 10, 2022
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VB.net Interview Questions

Visual Basic .NET, or VB.NET, is a general-purpose, an object-oriented programming language that is implemented on the .NET Framework. On our website, we have provided potential vb net interview questions. Evolution of Visual Basic language, VB.NET is not backward-compatible with VB6. Therefore, any code written in the previous version will not compile under the new VB.NET.

VB.NET is a structured language that produces efficient programs. Similar to all of the .NET languages, VB.NET is easy to learn and has full support for the concept of object-oriented language. Everything in VB.NET is treated as an object, including primitive types, user-defined types, and even assemblies. Because VB.NET was implemented on the .NET framework of Microsoft, it has full access to all the libraries in the.Net Framework. You can also run VB.NET programs on Mono, which is an open-source alternative to .NET Framework. Visit our website to watch the most popular vb net interview questions and answers. Also, it is also beneficial because the .NET Framework works not only under Windows but also on Linux and Mac OS.

Most Frequently Asked VB.net Interview Questions

Here in this article, we will be listing frequently asked VB.net Interview Questions and Answers with the belief that they will be helpful for you to gain higher marks. Also, to let you know that this article has been written under the guidance of industry professionals and covered all the current competencies.

Q21. What class and how to declare a class in VB.net?

Each object in VB.Net is defined by the class. A class can act as a data type and describe the variables, procedures, and properties of any given object. As we know, objects are just instances of different classes; and it is possible to create as many objects as we want once we have defined a class. In short, a Class is a collection of different objects of similar types.


    Class Area
        Public height As Double 'This is Height of a box'
    End Class

Q22. Explain Data validation in VB Net?

Data validation is a process for ensuring that the data provided to a program by a user's input or a file is of correct type and format.

The different examples of Data Validation include Code Checking, Data Type Validation, Complex Validation, and Range Checking.

Q23. What do you mean by Redim variable in VB.NET?

In VB.Net, Redim is used for changing the size, modifying or manipulating an array that has already been declared. This functionality can also help the developers add or free up elements for a collection. We can help you prepare for visual basic exam questions and answers by educating you in-depth about this language.

Q24. Explain the Mouse Events in VB.NET?

In VB.Net, there are two types of events - Mouse events and keyboard events. Mouse events happen through the actions, such as mouse move and click, on a form. These are mouse events in VB.Net:

  • MouseEnter
  • MouseUp
  • MouseDown
  • MouseWheel
  • MouseHover
  • MouseLeave
  • MouseMove
Q25. What are class access modifiers in VB.Net?

Class access modifiers (CAM) are keywords that are used to specify the declared accessibility of the member or an object of a class. There are five types of modifiers:

  • Public
  • Protected
  • Internal
  • Protected internal
  • Private

Development History

Designed and developed by Mircosoft to leverage .NET framework classes and runtime environment. This information is mostly asked during vb net interview questions. VB.NET has evolved from Visual Basic 6. Its first version, VB 7.0, was released in 2002.

Latest Version

Its latest updated version, VB 15.8, was released in August 2018.

VB.Net has some robust features that make it a popular language among developers:

Our unique extensively researched visual basic exam questions and answers are the best way to prepare for job interviews.

  • Assembly Versioning
  • Indexers
  • Standard Library
  • Conditional Compilation
  • Properties and Events
  • Simple Multithreading
  • Delegates and Events Management
  • Boolean Conditions
  • Easy-to-use Generics
  • Automatic Garbage Collection
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