Welcome to the Treehouse Community
Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.
Looking to learn something new?
Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.
Start your free trialLeo Ngai
2,184 PointsFrom logical, I don't see errors. Help!
It shows error of "Did you throw an exception when the value is less than 0 or greater than 20?"
int value = int.Parse(Console.ReadLine());
try
{
if ((value >= 0) && (value <= 20))
{
Console.WriteLine(string.Format("You entered {0}",value));
}
else
{
throw new System.ArgumentException("Parameter cannot be null", "original");
}
}
catch (System.Exception)
{
Console.WriteLine("Error");
}
1 Answer
Samuel Ferree
31,722 PointsYour code is correctly throwing the exception.
What your code is ALSO doing, is catching it, so that the calling program (in this case, Treehouse challenge engine) doesn't see it.
Since treehouse doesn't see the exception, it has no idea it was even thrown.
You simply need to remove your try and catch block from your if/else statements and your code will pass the challenge.