Symptoms
You are seeing the following error in the console window:
error CS1010: Newline in constant
Cause
CS1010 is caused when a semi colon is placed after an unclosed string.
Error displayed in this example:
error CS0103: The name `displayFirstName' does not exist in the current
context
Resolution
In order to fix the CS1010 you will need to close the boundaries of the string that is causing the error.
More Information
https://msdn.microsoft.com/en-us/library/8ychdtb8(v=vs.90).aspx