Nowadays, the most common question every novice programmer has is how to develop an application that sends SMS to any mobile phones throughout the world. To use SMS code is simple but a pain in the neck at times. You can code in separate files to avoid conflict and confusion.
First, you need to develop an interface where the user can input his contact number, message, and send it.
Then add SMS functionality to the given interface.
Sending an SMS via ASP.NET is a bit of a challenge, especially if it is your first time, there are various methods on how it is done, but this method is the easiest.
Read the rest of the tutorial here:Â http://www.codeproject.com/Tips/783904/Sending-an-SMS-using-ASP-NET