About C#...?

Jul 2 2015 2:56 AM

HOW CAN I APPLY RESTRICTION ABOUT A SOFTWARE,

THAT A USER CANNOT ENTER THE CNIC NO. SAME?

IF DATABASE HAS SAVED AN CNIC NO. E.G, 35202-8756473-8

THAN NEW USER CANNOT SAVEED THE DATA WITH SAME CNIC.

WHAT IS THE CODE FOR THIS SENARIO ON VISUAL STUDIO C#...?

Answers (4)