Visual Studio is a complete set of development tools for generating ASP.NET web applications, XML Web services, desktop applications and mobile applications. Visual Basic, VisualC++, Visual C# and Visual J# all use the same integrated development environment (IDE) and can share tools, which is helpful to create mixed language solutions. In addition, these languages make use of. NET framework, through which you can use the key technologies to simplify the development of ASPWeb applications and XML Web services. Function to create multi-level smart client, Web, mobile or MicrosoftOffice-based applications that meet key requirements. Using Visual Studio 2005, professional developers can: use improved visual design tools, programming languages and code editors, enjoy an efficient development environment, develop and debug multi-level server applications in a unified development environment, and use integrated visual database design and reporting tools. Using Visual Studio SDK to create a SQL Server 2005 solution and a tool to create an extensible VisualStudio IDE Microsoft provides two options for professional developers who work alone or in a small team, Visual Studio 2005 Professional Edition and Visual Studio 2005 Tools for Microsoft Office Systems. Each version extends the functions of the standard version, including tools for remote service program development and debugging, SQL Server2005 development and a complete and unrestricted development environment. Each product can be purchased separately or packaged and ordered. Professional developers like to use it freely. NET Framework 2.0, which is a robust and fully functional development environment, supports the creation of tools to extend the integrated development environment of VisualStudio.