As far as you need to be concerned as a .NET developer, you can freely interchange them as and when you feel like it.
Latest .NET Framework Classes Articles
Learn about the COM Interoperability improvements coming with the .NET Framework 4.0 and how they will make your COM Interop such as Office applications much easier.
Discover how CCR can work with the .NET Ping class APM functions.
An ADO.NET Data Services Tutorial covering REST, querystring operations and expressions, HTTP verbs, Linq to Data Services, security, exceptions and tracing.
This tip looks at properly closing a WCF connection from your application - whether you're using the proxy classes or a ChannelFactory.
Learn about several features relevant to developers in Visual Studio 2010 and the .NET Framework 4.0, such as parallel programming, XSLT debugging, new ASP.NET features, and new VB.NET and C# features that include the Chart control, XSD Designer, Lambda Expressions, and optional parameters.
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It's essential to know the differences in these libraries and use them correctly. This brief tutorial will guide you.
Take the plunge into the string class and master it.
Learn about the various types of software development there are as well the job titles that go along with them.
Learn about two common influence techniques, compliance and conformity, as well as how to design for them.