asp.net coding samples

In this article I will explain filter GridView records with DropDownList Selection and TextBox using asp.net.

A few days back I faced a problem which made me go back and forth a couple of times over the code which I had written, and my work process was virtually ceased. The problem was regarding user login, i.e. “How can I be able to prevent concurrent user login using the same credentials from different machines” Well, as I have found the solution I would like to share it with you all.