Devpia is a portal site for the professional developer community that was constructed in 2000 under the motto of "developer's utopia". Devpia is one of the world's largest developer communities consisting of over 290,000 members and has 60,000 daily visitors, 583 user groups, 50,000 news monthly updates, 48 professional managers, and 120 professional instructors. In January 2001, Devpia started the first .NET community in Korea where many developers are able to view and share source code. In 2002, Devpia received an award from the president of Microsoft, Bill Gates, for activities in the developer community. The main activities of Devpia involve .NET consulting, online education, operation of off-line seminars, development and distribution of software, and the development and selling of the DEXTUpload Component. Add the ability to upload files to your Web applications. DEXTUpload Professional is an Active Server Component enabling you to upload files to Microsoft Internet Information Server from a Web browser. It conforms to the internet standard RFC 1867 and can be used in Microsoft Active Server Pages. Uploading mass storage files is easy with DEXTUpload providing rapid upload speeds and low resource occupancy. Users can check and monitor the upload progress in real time with a Server-side graphical progress indicator. DEXTUpload Professional is a powerful Http-based Component, which makes you upload files from the Web Browser to Web Server. DEXTUpload Professional is also available on any IIS(Internet Information Server) web sites. Since DEXTUpload Professional is very well known for its stability, more than 5000 Internet sites all over the world use it. We, developers are doing our best to upgrade its functions and stability of DEXTUpload Professional.