Generate Random Number

Generate Random Number for specified string length and character set.

///

/// Generates the alphanumeric random code.

///

/// This is the set of the characters from which random code needs to generate.

/// The length of the string needed to generate random code.

/// The alphanumeric random code.

        protected string GetRandomNumber(string characterSet, int length)

        {

            Random random = new Random();

            //The below code will select the random characters from the set

            //and then the array of these characters are passed to string

            //constructor to makes an (alpha) numeric string depends on the user need.

            string getRandomCode = new string(Enumerable.Repeat(characterSet, length)

                    .Select(set => set[random.Next(set.Length)]).ToArray());

            return getRandomCode;

        }

Character Set = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()_+}{“:?><,./’;[]|\"