public static string GenerateRandomDigitCode(int length)
{
using var random = new SecureRandomNumberGenerator();
var str = string.Empty;
for (var i = 0; i < length; i++)
{
str = string.Concat(str, random.Next(10).ToString());
}
return(str);
}
public static int GenerateRandomInteger(int min = 0, int max = int.MaxValue)
{
using var random = new SecureRandomNumberGenerator();
return(random.Next(min, max));
}