I've just write a very simple console application in Visual C# stdudio 2008 and got a message. But I really don't understand what the hell is that? So please let me know what is that and how to solve that problem. Thanks in advanced.
Thats right-you have to open a command prompt.
1. Find out where on your computer your project is.
2. Change directory at the command prompt.
3. Run the program from there and supply some command line arguments(they will be strings).
e.g. YourProg.exe ABC DEF GHI
ABC will be args -> args, args and args will be picked up
DEF will be args
GHI will be args
The error is saying that there is no value in args position or in args array. It's blank and you are trying to access value from index 0 thoght args  array is blannk.
I believe you should have to pass value as argument at the time of running program from command prompt.