AndOperatorTest.cs

using System;

namespace ConsoleApplication
{
    public class Program
    {
        public static void Main(string[] args)
        {
            if (FalseCondition() && AnotherFalseCondition())
            {
                Console.WriteLine("Both conditions were true");
            }
        }

        public static bool FalseCondition()
        {
            Console.WriteLine("False condition");
            return false;
        }

        public static bool AnotherFalseCondition()
        {
            Console.WriteLine("Another false condition");
            return false;
        }
    }
}

Output:

False condition