Is it possible to access files in the client side using a web application/browser ? Answer : Yes. It is possible. But only on certain conditions. Download sample Code here 1) The below code works only in IE. 2) You need to change your security settings in IE to Low. Select Tools -> Internet Options...

Problem: User Logs out.  User is redirected to signout page User click back button. The previous page is displayed. How is it possible to prevent the user from visiting the previous pages after logout ? Reason: The previous pages are cached in Browser. When u click the back button the pages are served...

StringBuilder or String Concatenation.. Is there any real performance issue in string concatenation ? When should I use StringBuilder ? To answer these questions, first lets examine the difference between String and StringBuilder classes. What is the difference between String and StringBuilder? String...