DataTable dt2 = ViewState["dt2"] as DataTable;



            for (int i = 0; i < dt2.Rows.Count; i++)

            {

                FileInfo file = new FileInfo(dt2.Rows[i]["photo_path"].ToString());

                Stream stream = file.OpenRead();

                //int index = SourceFilePath.LastIndexOf("\\", SourceFilePath.Length - 1);

                string SourceFilePath = this.hidPath1.Value;



                int index = SourceFilePath.LastIndexOf("\\", SourceFilePath.Length - 1);

                string strFileName = SourceFilePath.Substring(index + 1);





                if (stream.CanRead)

                {

                    using (FileStream fs = new FileStream(newPath + strFileName, FileMode.Create))

                    {

                        byte[] buffer = new byte[stream.Length];

                        int totalLength = (int)stream.Length;

                        int readLength = 0;

                        stream.Position = 0;

                        while (totalLength > 0)

                        {

                            int readCount = stream.Read(buffer, readLength, Math.Min(totalLength, int.MaxValue));

                            if (readCount == 0)

                            {

               &n