Login-Validation in Monodevelop

Deepak Dwij
13y
10.9k
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0

Article

Login-Validation Account with Monodevelop:

This is a Login-Validation application where the user can insert their user name and password. If the user name & password inserted correctly then a welcome message displays.

Coding:

using System;
namespace login
{
    class MainClass
    {
        public static void Main(string[] args)
        {
            Console.Clear();
            Console.WriteLine("********** LOGIN ACOUNT **********");
            Console.WriteLine("ENTER YOUR USER NAME :");
            string user = Console.ReadLine();
            Console.WriteLine("ENTER YOUR PASSWORD :");
            string pass = Console.ReadLine();
            if (user == "DEEPAK" || user == "deepak")
            {
                if (pass == "DWIJ" || pass == "dwij")
                {
                    Console.WriteLine("*************** MCN SOLUTION WELCOME'S" + "\t" + user + "!!!!!!!!!!!!");
                    Console.WriteLine("         STRING CHOICES ");
                    Console.WriteLine("*------------------------------*");
                    Console.WriteLine(" 1.String Length");
                    Console.WriteLine(" 2.Treating Strings as Arrays");
                    Console.WriteLine(" 3.Concatenating Strings");
                    Console.WriteLine(" 4.Comparing String");
                    Console.WriteLine(" 5.String Replacement");
                    Console.WriteLine("*-------------------------------*");
                    Console.WriteLine("ENTER YOUR CHOICE");
                    int a = Convert.ToInt32(Console.ReadLine());
                    switch (a)
                    {
                        case 1: Console.WriteLine("Enter the String");
                            string slen = Console.ReadLine();
                           Console.WriteLine("String length is :" + slen.Length); break;
                        case 2: Console.WriteLine("Enter the String");
                            string s = Console.ReadLine();//Displays character
                            Console.WriteLine(s[2] + "\t" + "Displaying 3rd character of string "); //s[0],s[1].....s[n]
                            break;
                        case 3: Console.WriteLine("Enter the String");
                            string s1 = Console.ReadLine();
                            Console.WriteLine("Enter another String");
                            string s2 = Console.ReadLine();
                            Console.WriteLine(s1 + "\t" + s2);
                        break;
                       case 4: Console.WriteLine("Enter the String");
                            string s3 = Console.ReadLine();
                            Console.WriteLine("Enter another String");
                            string s4 = Console.ReadLine();
                            if (s3 == s4)
                            {
                                Console.WriteLine("Strings matched..");
                            }
                            else
                            {
                                Console.WriteLine("Strings dont matched..");
                            }
                            break;
                        case 5: Console.WriteLine("Enter the String");
                            string s5 = Console.ReadLine();
                            string news;
                            news = s5.Replace(s5, "---Love Is Blind---");
                            Console.WriteLine(news);
                            break;
                        default: Console.WriteLine("Invalid choice !"); break;
                    }
                    Console.WriteLine("***************************************");
                    Console.WriteLine("Thanks you !! DEEPAK DWIJ !!");
                    Console.Read();
                }
            }
            else
            {
          Console.WriteLine(" Sorry !! invalid user & password : "+"\t"+user+"\t"+pass);
            }
        }
    }
}