how to get multiple files path in an array

Question

i want to upload multiple pdf files in one file upload control in asp.net and then merg it , this is already done when i pass static path and file name how to do that dynamically my code is here

  if (FileUpload1.HasFile)
            {
                try
                {
                     HttpFileCollection uploadedVideoFiles = Request.Files;

                    // Get the HttpFileCollection

                    for (int i = 0; i < uploadedVideoFiles.Count; i++)
                    {
                        HttpPostedFile hpfiles = uploadedVideoFiles[i];
                      string fname = Path.GetFileName(hpfiles.FileName);

                        if (hpfiles.ContentLength > 0)
                        {
                            hpfiles.SaveAs(Server.MapPath("~/Images/") + Path.GetFileName(hpfiles.FileName));
                            hpfiles.SaveAs(Server.MapPath(Path.Combine(@"~/Images/", fname)));
                            string filepath = Server.MapPath(@"~/Images/");
                            string path = filepath + fname;
                        }
                    }
                    String[] files = @"C:\ENROLLDOCS\A1.pdf,C:\ENROLLDOCS\[email protected]".Split(',');
                    MergeFiles(@"C:\ENROLLDOCS\New1.pdf", files);// merg is a method which merg 2 or more than 2 documents
                }
                catch (Exception ex)
                {
                    Label1.Text = "The file could not be uploaded. The following error occured: " + ex.Message;
                }
            }

Anton Gogolev · Accepted Answer · 2015-08-27 12:54:02Z

2

You will need to collect values of path in a List<string> and then pass the result to MergeFiles().

I don't quite follow your code (you'll need to clean it up a bit), but what you need is basically this:

var fileNames =
    uploadedVideoFiles.
        Select(uvf => {
            var fileName = Path.GetFileName(hpfiles.FileName);
            var destinatonPath = Path.Combine(Server.MapPath("~/images"), fileName);

            uvf.SaveAs(destinatonPath);

            return destinationPath;
        }).
        ToArray();

MergeFiles(@"C:\ENROLLDOCS\New1.pdf", fileNames);

Beware of duplicating file names in ~/images, though.

answered Aug 27, 2015 at 12:54

Anton Gogolev

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