private: System::Data::DataSet^  dataSet1;
    protected: 
    private: System::Data::OleDb::OleDbCommand^  oleDbCommand1;
    private: System::Data::OleDb::OleDbConnection^  oleDbConnection1;
    private: System::Data::OleDb::OleDbCommand^  oleDbSelectCommand1;
    private: System::Data::OleDb::OleDbCommand^  oleDbInsertCommand1;
    private: System::Data::OleDb::OleDbCommand^  oleDbUpdateCommand1;
    private: System::Data::OleDb::OleDbCommand^  oleDbDeleteCommand1;
    private: System::Data::OleDb::OleDbDataAdapter^  oleDbDataAdapter1;
    private: System::Windows::Forms::Label^  label1;
    private: System::Windows::Forms::TextBox^  textBox1;
    private: System::Windows::Forms::Button^  button1;
    private: System::Windows::Forms::Button^  button2;
    private: System::Windows::Forms::DataGridView^  dataGridView1;
    
    
    上面是头文件的一点代码,上面是在定义对象吗?DataSet^  dataSet1中的符号'^'又是代表什么意思?这些程序是在vc2008中的[size=6][/size]