Question:

Create a complete C# program that will simulate a log-in process. If the username and password are both correct the program will display “Log-in Successful”, otherwise it will display “Invalid Log-in details”

FlowChart:

20221003.jpg

C# Logical Operators:

logic table c#.jpg

Code Answer:

using System;
namespace Module6
{
    class module6
    {
        static void Main(string[] args)
        {
           
            string emailid, password;

            //use readline get user input
            Console.WriteLine("Plz enter u Emaill address :");
            emailid = Console.ReadLine();

            Console.WriteLine("Plz enter u Password");
            password = Console.ReadLine();

           
            //use if  else to decision input data contains value
            if (emailid.Contains("[email protected]") && (password.Contains("d123456")))

            {
                Console.WriteLine("Your Log-in Was Successful!");
            }
            else
            {
                Console.WriteLine("Invalid Log-in details");
            }
        
            Console.ReadLine();
        }

    }

}

Reference
C# Logical Operators with Examples
https://www.tutlane.com/tutorial/csharp/csharp-logical-operators-with-examples

C# String Contains()
https://www.javatpoint.com/csharp-string-contains