zoukankan      html  css  js  c++  java
  • C#实现ACCESS数据库备份还原

    /// <summary>
        /// 备份Access数据库
        /// </summary>
        /// <param name="srcPath">要备份的数据库绝对路径</param>
        /// <param name="aimPath">备份到的数据库绝对路径</param>
        /// <returns></returns>
        public bool Backup(string srcPath, string aimPath)
        {

    if (!File.Exists(srcPath))
            {
                throw new Exception("源数据库不存在,无法备份");
            }
            try
            {
                File.Copy(srcPath, aimPath, true);
            }
            catch (IOException ixp)
            {
                return false;
                throw new Exception(ixp.ToString());

    }
            return true;
        }

    /// <summary>
        /// 还原Access数据库
        /// </summary>
        /// <param name="bakPath">备份的数据库绝对路径</param>
        /// <param name="dbPath">要还原的数据库绝对路径</param>
        public bool RecoverAccess(string bakPath, string dbPath)
        {
            if (!File.Exists(bakPath))
            {
                throw new Exception("备份数据库不存在,无法还原");
            }
            try
            {
                File.Copy(bakPath, dbPath, true);
            }
            catch (IOException ixp)
            {
                return false;
                throw new Exception(ixp.ToString());
            }
            return true;
        }

     

    //备份的事件及获取备份路径和还原的路径

    protected void Button1_Click(object sender, EventArgs e)
        {
            string path = HttpContext.Current.Server.MapPath("../App_Data/df.mdb");
            string pathdata = path ;
            string pathback = path.Substring(0, path.Length - 15) + @"dataBack\df.mdb";
            if (Backup(pathdata, pathback))
            {
                Label3.Text = "备份成功!";
            }
            else
            {
                Label3.Text = "备份失败!";
            }
        }

    //还原的事件及获取备份路径和还原的路径

    protected void Button2_Click(object sender, EventArgs e)
        {
            string path = HttpContext.Current.Server.MapPath("../App_Data/df.mdb");
            string pathdata = path;
            string pathback = path.Substring(0, path.Length - 15) + @"dataBack\df.mdb";
            if (RecoverAccess(pathback, pathdata))
            {
                Label3.Text = "还原成功!";
            }
            else
            {
                Label3.Text = "还原失败!";
            }
        }

  • 相关阅读:
    windows安装nacos
    anki处理
    minikube安装net5
    在.net core中使用属性注入
    C# 使用MD5算法对密码进行加密
    c# 获取本机系统已经安装的打印机信息
    C# 比较两个datatable并找出修改差异的值
    打印机点击打印后无反应
    GUID转换成16位字符串或19位数据(确保唯一)
    RESTful
  • 原文地址:https://www.cnblogs.com/shuang121/p/2938483.html
Copyright © 2011-2022 走看看