How to convert any kind of video files to flv and show in (asp.net)webpage

Hello frnd's...

Im new to web developement side.I have seeked a lot but i didnt got any idea that how to convert any kind of video files to flv type and display in that webpage.I have tried a lot but i didnt get any samples and code for this process.Can anyone help me how to do this.Awating for ur reply Experts...

Tks in Adv...

Samcaleb05....