/// <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！";

        }

    }