二维指针的new和delete,该怎么解决

二维指针的new和delete
下面的这个类是与数据库相关的,但这个类会出现内存泄露,不知道怎么修改,对指针的理解不太深刻,忘各位能帮个忙,帮小弟修改一下,最好来点注释...
ClassDataSet.h

C/C++ code

#include "stdafx.h"
#include <tchar.h>
#include <string>
using namespace std;
#ifndef ClassDataSet__H_H
#define ClassDataSet__H_H

class ClassDataSet
{
private :
    string **value;
    long NumCol;
    long NumRow;
public:
    ClassDataSet();
    void ClearValue();
    void InitialValue(long TotalRow,long TotalCol);
    void InputVaule(string v,long EachRow,long EachCol);
    long RowCount();
    long ColCount();
    string ReValue(long SelectRow,long SelectCol);
};

#endif

ClassDataSet.cpp

C/C++ code

#include"ClassDataSet.h"
#include <stdlib.h>
using namespace std;
ClassDataSet::ClassDataSet()
{
    this->NumCol=0;
    this->NumRow=0;
}
long ClassDataSet::RowCount()
{
    return this->NumRow;
}
long ClassDataSet::ColCount()
{
    return this->NumCol;
}
void ClassDataSet::InitialValue(long TotalRow,long TotalCol)
{
    const long rowTemp=TotalRow;
    const long colTemp=TotalCol;
    this->value=new string*[rowTemp];//new 了之后没有在析构函数当中delete,不知如何修改这个类.
    for(long k=0;k<rowTemp;++k)
    {
        this->value[k]=new string[colTemp];
    }
    this->NumRow=TotalRow;
    this->NumCol=TotalCol;
}
void ClassDataSet::InputVaule(string v,long CurrentRow,long CurrentCol)
{
    this->value[CurrentRow][CurrentCol]=v;
}
string ClassDataSet::ReValue(long CurrentRow,long CurrentCol)
{
    if(CurrentRow>=this->NumRow||CurrentCol>=this->NumCol)
    {
        return "Overflow";
    }
    else
    {
        return this->value[CurrentRow][CurrentCol];
    }
}
void ClassDataSet::ClearValue()
{
    this->value=new string*[0];
    this->value[0]=new string[0];
    this->NumCol=0;
    this->NumRow=0;
    delete[] *this->value;
}

在另一个类中定义了类型为ClassDataSet的一个成员变量

C/C++ code

class MyControlSqlServer//连接数据库类 连接之前需要打开 
{
public:
    MyControlSqlServer(_bstr_t SqlCon);//构造函数，配置数据库
    ClassDataSet Select(_bstr_t Action);//Select语句
    bool WriteDatebase(_bstr_t Action);//Insert,Update,delete,create语句
    bool Open();
    _ConnectionPtr m_pConnection;//连接方式
    _RecordsetPtr m_pRecordset;//虚拟表
    void close();
    //bool Update(_bstr_t Action);//Update语句
private:
    _bstr_t strConnect;
    ClassDataSet obj;
};

C/C++ code

ClassDataSet MyControlSqlServer::Select(_bstr_t Action)
{
    try
    {
        _variant_t temp;
        if(m_pConnection==NULL)
        {
            this->obj.ClearValue();
            return this->obj;//链接不上
        }
        _bstr_t bstrSQL(Action);
        m_pRecordset.CreateInstance(__uuidof(Recordset)); 
        // 取得表中的记录
        m_pRecordset->Open(bstrSQL,m_pConnection.GetInterfacePtr(),adOpenDynamic,adLockOptimistic,adCmdText);
        long ColCount=m_pRecordset->GetFields()->Count;//获得一条记录的字段数，列总数FieldsPtr

        long RowCount=0;//行总数
        while(!m_pRecordset->adoEOF)//用循环获得行总数
        {
            RowCount++;
            m_pRecordset->MoveNext();///移到下一条记录
        }

        this->obj.InitialValue(RowCount,ColCount);
        m_pRecordset->MoveFirst();
        long CurrentRow=0;
        long CurrentCol=0;
        while(!m_pRecordset->adoEOF)
        {
            for(long CurrentCol=0;CurrentCol<ColCount;++CurrentCol)
            {
                temp=m_pRecordset->GetCollect((long)CurrentCol);///取得第i列的值,从0开始计数，
                string a;
                if(temp.vt==1)
                    a="NULL";
                else
                    a=(_bstr_t)temp;
                this->obj.InputVaule(a,CurrentRow,CurrentCol);
            }
            m_pRecordset->MoveNext();///移到下一条记录
            ++CurrentRow;
        }
        return this->obj;
    }
    catch(_com_error e)
    {
        //cout<<(string)(_bstr_t)e.Description()<<endl;
        this->obj.ClearValue();
        return this->obj;
    }
}

二维指针的new和delete,该怎么解决

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