Convert Text To unicode(UTF-8):

 //Convert Text To unicode(UTF-8)

This Can be done by using System.Text.Encoding Class

//String To UTF

string Str="Hello This is Mamta";
byte[] Utfv=System.Text.Encoding.UTF8.GetBytes(s);



//UTF To String

string s=System.Text.Encoding.UTF8.GetString(utf);