What is the code for FileUpload of pptx files

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Hi friends,

I am kind of a newbie in the ASP.NET. I need help as to what is the code for FileUpload that only accepts a pptx file, and when uploaded, the file will be displayed in the GridView.. Thanks so much!

Posted 13-Sep-12 21:48pm

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Azziet · Answer 1 · 2012-09-13T22:31:00

Use fileuploader(asp.net) to upload a file
below is the code to validate only .pptx file

C#

if (FileUpload1.HasFile)
        {
                string strFileExtension = Path.GetExtension(FileUpload1.PostedFile.FileName);
                if (strFileExtension != null)
                {
                    string validFileExtension = strFileExtension.ToLower();
                    if (validFileExtension == ".pptx")
                    {
                            string filepath = Server.MapPath("~/Images");
                            if (!Directory.Exists(filepath ))
                            {
                                Directory.CreateDirectory(imagePath);
                            }
                            string fileName = Guid.NewGuid().ToString().Replace("-", "") + strFileExtension; //to generate unique file name
                           FileUpload1.SaveAs(filepath  + "/" + fileName);

                    }
                    else
                    {
                        lblMessage.Text = "upload only pptx file";
                        return;
                    }
              }
    }