Random number generation in c#

How to generate random number in c#

For used to Send Random number as Password in Website ,and get random id for new registration
or used for captcha in website easy code

find the below text

public string genpwd()

    {

        string password;

        int minPassSize = 6;

        int maxPassSize = 12;

        StringBuilder stringBuilder = new StringBuilder();

        char[] charArray = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()".ToCharArray();

        int newPassLength = new Random().Next(minPassSize, maxPassSize);

        char character;

        Random rnd = new Random(DateTime.Now.Millisecond);

        for (int i = 0; i < newPassLength; i++)

        {

            character = charArray[rnd.Next(0, (charArray.Length - 1))];

            stringBuilder.Append(character);

        }

        password = stringBuilder.ToString();

        return password;

    }





















public string genpwd() { string password; int minPassSize = 6; int maxPassSize = 12; StringBuilder stringBuilder = new StringBuilder(); char[] charArray = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()".ToCharArray(); int newPassLength = new Random().Next(minPassSize, maxPassSize); char character; Random rnd = new Random(DateTime.Now.Millisecond); for (int i = 0; i < newPassLength; i++) { character = charArray[rnd.Next(0, (charArray.Length - 1))]; stringBuilder.Append(character); } password = stringBuilder.ToString(); return password; }