View Compilation Error

0_0_21005259_23076.cpp:1:1: error: 'string' does not name a type
 string  reqInfo = "POST " + (string)othPath + " HTTP/1.1\r\nHost: " + (string)host + ElseInfo + Typee + ConLen + (string)s + "\r\nCookie: " + Cookie + "\r\nConnection:Close\r\n\r\n" + ResCode;
 ^
0_0_21005259_23076.cpp:2:2: error: expected unqualified-id before 'if'
  if (SOCKET_ERROR == send(sock, reqInfo.c_str(), reqInfo.size(), 0))
  ^