string Data Members in Class

[Rachel]

I'm trying to create a simple class as a homework exercise. The problem I've run into happens when I try to create a private data member of type string. I included the header file <string>, but the compiler is reporting that it doesn't recognize the data type. The examples I have in my notes show a class where <string> was included in the class definition and a data member of type string was declared. I'm working on Microsoft Visual C++ 2008 Express Edition. If anyone could clarify why this wouldn't work I would really appreciate it. Thanks.

[firedraco]

How are you using it? Are you typing out std::string some_var; or just string some_var;?

[Rachel]

It was a foolish mistake, as usual. I was declaring it string some_var without the using standard namespace in my class definition.