Exemplo n.º 1
0
        public ActionResult ImportSupplierDetails(HttpPostedFileBase fileUploaded)
        {
            try
            {
                //Check if there is a file is sent to the controller
                if (fileUploaded != null && fileUploaded.ContentLength > 0)
                {
                    // Check if the file ends with csv extension
                    if (fileUploaded.FileName.EndsWith(".csv"))
                    {
                        // Read the file as a stream
                        StreamReader streamCsv = new StreamReader(fileUploaded.InputStream);

                        string csvDataLine = "";
                        int    CurrentLine = 0;

                        string[] LineData = null;

                        // Delete all data everytime a new file is uploaded.
                        purchaseService.ClearSupplierDetailsData();

                        // Looping to read the File stream and Add Data to the database line by line
                        while ((csvDataLine = streamCsv.ReadLine()) != null)
                        {
                            // Ignore the first line of the file, for column names.
                            if (CurrentLine != 0)
                            {
                                // Add the returned data to an array
                                LineData = csvDataLine.Split(',');

                                //Pass LineData array values
                                var newSupplierDetail = new SupplierDetailsEF()
                                {
                                    SupplierDetailsId = int.Parse(LineData[0]),
                                    SupplierCode      = LineData[1],
                                    ItemCode          = LineData[2],
                                    UnitPrice         = double.Parse(LineData[3]),
                                    SupplierRank      = int.Parse(LineData[4])
                                };

                                //Add Data to The Database
                                purchaseService.AddSupplierDetail(newSupplierDetail);
                            }
                            CurrentLine += 1;
                        }
                        Debug.Print("Loaded: " + (CurrentLine - 1) + " items to supplier details table.");
                    }
                    else
                    {
                        TempData["MessageError"] = "File Format is not Supported";
                    }
                }
                else
                {
                    TempData["MessageError"] = "Please Upload A File";
                }

                // Back to the first view
                return(RedirectToAction("Index", "ManageSupplier"));
            }
            catch (Exception ex)
            {
                TempData["MessageError"] = "Error:" + ex.Message;
                return(RedirectToAction("Index", "ManageSupplier"));
            }
        }