WebSupergoo.ImageGlue6.Graphic gr = new WebSupergoo.ImageGlue6.Graphic();
                    gr.SetFile(FilePath);
                    switch (gr[0].ColorSpace.ToString())
                    {
                        case "RGB":
                            doc_data_OriginalComponents = "3";
                            break;
                        case "sRGB":
                            doc_data_OriginalComponents = "3";
                            break;
                        case "CMYK":
                            doc_data_OriginalComponents = "4";
                            break;
                        case "Gray":
                            doc_data_OriginalComponents = "1";
                            break;
                    }