/*properties important */

​

//DISTINCT ELEMENTS IN A ARRAY//

         a=b.Distinct().ToArray();

​

//converting to int//

    a=Convert.ToInt32(b);

​

​

​

​

//List//

if  'a' is name of list then

    //adding// a.Add("it should be in string");

    //removing// a.Remove.At("index should be written");

​

//Converting number to binary //

    string b=Convert.TOString(value,2);

​

​

​

​