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 trial

C# C# Basics (Retired) Perform if

stephen Capes
stephen Capes
1,002 Points
Posted by stephen Capes
stephen Capes
1,002 Points

Help me solve this problem?

just keep getting "error CS1040: Preprocessor directives must appear as the first non-whitespace character on a line "

CodeChallenge.cs 
bool c# = true ;
if (c#)
{        
Console.writeLine=("c# Rocks !");
}

1 Answer

Steven Parker
Steven Parker
231,275 Points
Steven Parker
Steven Parker
231,275 Points

Variable names can only use letters, numbers, and underscores. The "#" symbol is used to identify preprocessor directives, and so it is confusing the compiler.