How generate a unique file name at upload files in webserver (MVC)

Question

a have markup ```

@using (Html.BeginForm("Upload","Resume", FormMethod.Post, new { enctype = "multipart/form-data" })) { @Html.AntiForgeryToken()

Download Resume

@Html.TextBox("file", "", new { type = "file" })

}

``` and Controller: ``` [HttpPost] public ActionResult Upload(HttpPostedFileBase file) { try { if (file.ContentLength > 0) { var fileName = Path.GetFileName(file.FileName); var path = Path.Combine(Server.MapPath("~/uploads"), fileName); file.SaveAs(path); } ViewBag.Message = "SuccessUpload"; return RedirectToAction("SuccessUpload", "Resume"); } catch { ViewBag.Message = "Fail"; return RedirectToAction("Upload"); } } ``` How can generate unique file name at upload files, thanks for answers!

Accepted Answer

```
// change file name with its extension
var fileName = Guid.NewGuid().ToString() + 
    System.IO.Path.GetExtension(file.FileName);

var uploadUrl = Server.MapPath("~/uploads");

file.SaveAs(Path.Combine(uploadUrl, fileName));
```

How generate a unique file name at upload files in webserver (MVC)

Solution

Problem