How to generate random number in c#.

 

Method: 1

// It will generate 18 digit random number.   Guid randomId = Guid.NewGuid(); string randomNumber = randomId.ToString().Substring(0, 18).ToUpper();

Method: 2

// random number between min and max private int RandomNumber(int min, int max) { Random random = new Random(); return random.Next(min, max);  }

Method: 3

// The following code returns a random number in a specific range (0 to 100): var rand = new Random(); String myNumber = rand.Next(0, 100).ToString();