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C# C# Basics (Retired) Perfect Final

Posted by Rick McNevin
Rick McNevin
648 Points

My C# catch statement is causing me some errors.

In my C# program, my catch statement and everything below it is creating an error. I've been online to MSDN.microsoft.com to see if I'm using the try/catch correctly and it seems I am but I'm still getting the errors.

Any help I could get would be greatly appreciated!

Program.cs 
using System;

namespace Treehouse.CodeChallenges
{
    class Program
    {
        static void Main()
        {
        int counter = 0;  
          while (true)
          {    
                 Console.Write("Enter the number of times to print \"Yay!\": ");
              try
              {    
                 var entry = Console.ReadLine();
                 int userInput = int.Parse(entry);
                 // userInput can only be an integer, not a decimal
                   while (userInput > counter)
                   {
                   Console.WriteLine("Yay!");
                   counter = counter + 1;  
                   }
               catch(FormatException)
               {
               Console.WriteLine("You must enter a whole number.");
               }  //catch    
               continue;
             } //try     
             Console.Writeline("Goodbye");
          }  //while  
       } //static   
    }  //class
Benjamin Lange
Benjamin Lange
16,178 Points
Benjamin Lange
Benjamin Lange
16,178 Points

It looks like you're missing the closing curly brace for the try block. There should be another } after the while loop. Also, capitalize the L in WriteLine in the last line. You also probably want to add a break; statement right after the while loop closes. Otherwise, the program will loop forever.

1 Answer

Steven Parker
Steven Parker
231,108 Points
Steven Parker
Steven Parker
231,108 Points

It looks like you're missing a closing brace for the try block (right before the catch), and you spelled WriteLine with a lower-case "L" in one place.

:point_right: But even with the errors fixed, the program deviates from the instructions.

This has been a topic of many previous questions, but I'll repost the info here:

People often over-think this one and get too creative, and their answer is rejected for a variety of reasons (some which don't seem to make any sense).

Here are the secret "rules" you must follow for success on this one:

  • Your program must ask for and accept input ONE TIME ONLY
  • If the input validates, your program will perform exactly as in Task 1
  • If the input does not validate, it will print the error message and exit
  • Validation must be done by exception catching. There are other perfectly good methods that can be used for validation, but they will not pass this challenge