ASP.NET删除文件

string origraphurl = context.Server.MapPath(origraph);//origraphurl:相对路径,context.Server.MapPath(origraph):物理路径

    string thumbnailurl = context.Server.MapPath(thumbnail);//thumbnailurl:相对路径,context.Server.MapPath(thumbnailurl):物理路径

    System.IO.File.Delete(origraphurl);
    log.Info("删除编号为"+ picidarr + "的图片原图");

    System.IO.File.Delete(thumbnailurl);
    log.Info("删除编号为" + picidarr + "的图片缩略图");