VC++ Debugger expression

Question

In debug | Immediate window, why do i get this error:

szTemp is a local variable at {,,Util.dll}MySock.Write("%s",szTemp) CXX0017: Error: symbol "szTemp" not found

int SomeFunction( ..)
{
   char* szTemp = new char[1024];
.
.
---> Breakpoint.. Trying to run the expression here.. 
.
.
}