i want to send sms using c# coding
Use SMSLib ( http://smslib.org/download/ )
You may find working codes here, i had worked using java platform, and it works all fine. try for c#.
All you need is a gsm moden,connect to USB and provide proper port number in the availaible code at SMSlib website.
download http://smslib.org/download/files/smslib.net-v3.5.0.zip
You will find C# herein.
I did both sms sending and receiving with the Api provided by https://www.csoft.co.uk/. It is a paid service, but it is very easy to implement.
download library from one of the sms sites and integrate:
SMS provider
It is very easy.
精彩评论