The following code snippet shows how to generate a random number between a range in C#, where min and max are minimum and maximum range of the new number.
private int RandomNumber(int min, int max)
Random random = new Random();
return random.Next(min, max);
How to use it?
Copy the above code in your class where you want to use it and call like this:
int returnValue = RandomNumber(5, 20);