age

using System;
 /*
from Lesson 4 of C# console programming tutorial series at following URL:
http://williammillerservices.com/windows-c-console-programming/
demonstrates input data validation and parsing to int
GitHub gist -> https://gist.github.com/kyrathasoft/a6ead63e6832361086dc69a6487de81d
Pastebin.com -> https://pastebin.com/ySY7crrg
*/
namespace MyNamespace
{
    class MyClass
    {
        static void Main()
        {
            //get user's name
            Console.Write("What is your name? ");
            string sName = Console.ReadLine();

            //get user's location
            Console.Write("And where are you from? ");
            string sFrom = Console.ReadLine();


            bool blnValid = false; //a true/false flag for use in the while loop
            int iAge = 0; //initialize age to zero; user will change this value

            //loop until user enters a valid integer
            while(!blnValid){
                try{
                    Console.Write("What is your age? ");
                    string sAge = Console.ReadLine();
                    iAge = Int32.Parse(sAge);
                    if(iAge < 4){
                        Console.Write(iAge.ToString() + "? I don't think so. ");
                        blnValid = false;
                    }else{
                        blnValid = true;
                        if(iAge >= 80){
                            Console.WriteLine("You're {0} and learning C# at that age? Respect!", iAge.ToString());
                        }
                    }
                }catch{
                    Console.WriteLine("Uh, that's not your age...");
                }
            }

            //finally, report data back to user by printing to console
            Console.Write("Summary: You are {0}. You are from {1}, and are ", sName, sFrom);
            Console.WriteLine("{0} years old.", iAge.ToString());
        }
    }
}