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C# interview question with answers: - How did you version your .NET applications?

These kinds of c# interview questions are normally asked to senior people like team lead and above.

 Versioning of .NET is done by using 4 part-identifier as shown below:-

So you will find software with version numbers like "". For instance one of the .NET framework version which was released for SP1 windows 7 edition version number is " 3.5.30729.4926".

So let's try to understand all the four parts in the version identifier.

Major version: - This number is incremented when:-  

  • You break compatibility with previous versions.
  • Changes are big enough and lots of clients are getting affected.
  • Major new features are added.
  • Big UI interface change.
  • Major changes in database schema etc.
  • Major change request which can affect lot of client.

In other words this number signifies major changes to the software.

Minor version: - This number is incremented when:- 

  • Compatibility is maintained and some small new features are added.
  • Serving some minor change request.
  • You are doing minor changes to the software.

Revision: - This number is incremented when you are normally doing bug fixes, small improvements etc. No new features are added in this scenario.

 Build number: - To achieve revisions you need to build your code. This number is incremented every time you do a build.

 You can specify the 4 part version identifier by right clicking on visual studio, properties , click on application tab and then on assembly information.

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Shiv Prasad Koirala

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