コード例 #1
0
        public FileStreamResult MachineFileClick(string CID, string MM_Idp, string number)
        {
            byte[] buffer   = new byte[0];
            string filename = "export.pdf";
            string prefix   = "pdf";
            Dictionary <string, string> mimetypes = getMimeTypes();

            try
            {
                int MM_Id      = 0;
                int fileNumber = Convert.ToInt32(number);
                Int32.TryParse(MM_Idp, out MM_Id);

                if (CID.Length < 6)
                {
                    throw new Exception("location variable incorrectly formatted.");
                }

                if (MM_Id == 0)
                {
                    throw new Exception("Machine primary key cannot be zero.");
                }

                Helpers.CtxService service = new Helpers.CtxService(null, CID);

                List <ActiveMachineImgae> files = service.getmachineFiles(MM_Id);

                for (var i = 1; i <= files.Count; i++)
                {
                    if (i == fileNumber)
                    {
                        buffer   = files[i - 1].filebytes1;
                        filename = files[i - 1].filename1;
                        var splitarr = filename.Split('.');
                        if (splitarr.Length > 1)
                        {
                            prefix = splitarr[splitarr.Length - 1];
                        }

                        break;
                    }
                }
            } catch (Exception ex)
            {
            }
            if (buffer != null && mimetypes.ContainsKey(prefix.ToUpper()))
            {
                MemoryStream stream = new MemoryStream(buffer);
                stream.Flush();
                stream.Position = 0;
                return(File(stream, mimetypes[prefix.ToUpper()], filename));
            }
            else
            {
                MemoryStream stream = new MemoryStream();
                stream.Flush();
                stream.Position = 0;
                return(File(stream, "application/pdf", "export.pdf"));
            }
        }