Most of our project we have to develop a module to upload a file. Its a common scenario for all developers. In classic ASP it was tedious but in ASP.NET we found a nice control to upload/store a file into the web server. The new control in ASP.NET 2.0 is which capable to do everything except few limitations like filtering. So in this article i want to describe how we can upload different type of file as well as effective filtering.