asp.net文件操作类

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Text;
using System.IO;
namespace EC
{
    /// <summary>
    /// FileObj 的摘要说明
    /// </summary>
    public class FileControl
    {
        #region 构造函数
        private bool _alreadyDispose = false;
        public FileControl()
        {
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }
        ~FileControl()
        {
            Dispose(); ;
        }
        protected virtual void Dispose(bool isDisposing)
        {
            if (_alreadyDispose) return;
            //if (isDisposing)
            //{