Viewstate Decoder & Reflector

Did you ever thought to get the data in the Textbox or dropdown of an aspx page once it is processed.If the controls are server control then you cannot get the data as easy as html page -right click View source...All the values are passed as Viewstate with junk values and not readable...
To get those Viewstate Data download this software and give the URL it will get all the viewstate details ...

http://www.pluralsight.com/community/media/p/51688.aspx

To get the code from DLL :
DLL is a processed single file of thousand or more pages of code written in an application.With this single file you can get the whole functionality of a complete application .How to get the source code from these DLL files.Use this Reflector software you will get the class file structure and many more..

http://www.red-gate.com/products/reflector/