how to compress all files from different paths

 string path = Server.MapPath("~/Files/");
            string[] filenames = Directory.GetFiles(path);
            using (ZipFile zip = new ZipFile())
            {
                foreach (GridViewRow row in gv.Rows)
                {
                    if ((row.FindControl("chkSelect") as CheckBox).Checked)
                    {
                        string filePath = (row.FindControl("lblFilePath") as Label).Text;
                        zip.AddFile(filePath, "downloadedFiles");
                    }
                }
                zip.Save(Server.MapPath("~/samplefiles.zip"));
i above i have used gridview with checkbox
u can give diff  path from here