The Microsoft .NET Framework is a software framework available with several Microsoft Windows operating systems. It includes a large library of coded solutions to prevent common programming problems and a virtual machine that manages the execution of programs written specifically for the framework. The .NET Framework is a key Microsoft offering and is intended to be used by most new applications created for the Windows platform.

ASP.NET is a web application framework developed and marketed by Microsoft to allow programmers to build dynamic web sites, web applications and web services. It was first released in January 2002 with version 1.0 of the .NET Framework, and is the successor to Microsoft's Active Server Pages (ASP) technology. ASP.NET is built on the Common Language Runtime (CLR), allowing programmers to write ASP.NET code using any supported .NET language.

Crystal Reports for Visual Studio .NET software provides developers with a fast and productive way to create and integrate presentation-quality reports into applications, without leaving the familiar Visual Studio development environment. It also enables them to easily create interactive reports for enterprise, Web, and smart client applications that scale to meet the demands of end users.

.NET Supported Services
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  Microsoft ® Visual Basic 2008

  Microsoft ® C# 2008
  Programming support using .NET Framework 2.0 - 3.5
  Microsoft ASP.NET
  CrystalReports.NET