Cannot upload file in mvc

Question

I am uploading MVC website on web-server for the first time. Everything worked well except file upload option. Whenever I try to upload a file, it prompts me this error:

The SaveAs method is configured to require a rooted path, and the path '' is not rooted.

Error details is somehow showing a path of my project that I created on my local machine.

System.Web.HttpException (0x80004005): The SaveAs method is configured to require a rooted path, and the path '' is not rooted. at Printrpk.Controllers.ProductController.Create(ProductModels product) in C:\Projects\Carting\Carting\Carting\Controllers\ProductController.cs:line 145

I have tried multiple ways to check if my code is wrong, but I couldn't able to make it work.

This is what I have written under Create Action

foreach (string fileName in Request.Files)
{
    HttpPostedFileBase file = Request.Files[fileName];
    fName = file.FileName;
    if (file != null && file.ContentLength > 0)
    {
        var originalDirectory = new DirectoryInfo(string.Format("{0}images", Server.MapPath(@"/")));
        var pathString = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "ProductImages");
        var filename = Path.GetFileName(file.FileName);

        bool isExists = System.IO.Directory.Exists(pathString);
        if (!isExists)
        {
            System.IO.Directory.CreateDirectory(pathString);
        }

        path = string.Format("{0}//{1}", pathString, filename);
        file.SaveAs(path);
    }
}

This controller works fine when I do not upload any image. I have checked my web.config which is already pointing towards web-server.

This is included in Create View

<input name="file" type="file" multiple />

Also I already have targeted folder in my base folder

have you checked AppDomain.CurrentDomain.BaseDirectory value? — DanielVorph
– DanielVorph, Commented May 30, 2016 at 23:40
Use Server.MapPath() - e.g. var fileName = Path.GetFileName(file.FileName); var path = Path.Combine(Server.MapPath("~/ProductImages"), fileName); file.SaveAs(path); — user3559349
– user3559349, Commented May 30, 2016 at 23:45
@StephenMuecke I have already tried this. Doesn't work. Weird — ashhad
– ashhad, Commented May 31, 2016 at 0:18
Does you app contain a folder ProductImages? And when you use it, what is the value of path? — user3559349
– user3559349, Commented May 31, 2016 at 0:19
Thanks @StephenMuecke, I got the issue. Your code does work now. I was inserting wrong variable. Please write your answer below so that I can vote it :) — ashhad
– ashhad, Commented May 31, 2016 at 0:23

user3559349 · Accepted Answer · 2016-05-31 00:33:19Z

3

Use Server.MapPath() to get the physical path that corresponds to a virtual path. Assuming you app contains a folder named Images which contains a subfolder named ProductImages, then

var fileName = Path.GetFileName(file.FileName);
var path = Path.Combine(Server.MapPath("~/Images/ProductImages"), fileName);
file.SaveAs(path);

Side note: Consider adding a parameter IEnumerable<HttpPostedFileBase> file to you POST method so it is bound with the selected files (or better, include that as a property in your view model) rather than using Request.Files

answered May 31, 2016 at 0:33

user3559349

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