file upload through custom user control

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Dmitrij Jazel 86 posts 179 karma points

Mar 16, 2013 @ 15:38
0

File upload through custom user control
Hej Guys,

Have a really basic task here...

I have a blank new UserControl - where I have simple asp:FileUpload control...

What I want is - upload actual file to the server. And save it there.

Then if I need it, it should have a url - that links to the document.

My problem is. when I am trying to use this
```
string fileName = fileUpload.FileName;
```
As a result - I end up having string value, that links to no file, because file was not actually uploaded.

My ultimate goal is to make a control that can do the same thing as "upload" Document type property

I want to make 1 like this myself programatically.

Any suggestions how to do something like this?
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Wouter Dewispelaere 5 posts 47 karma points

Mar 21, 2013 @ 23:16

Hey Dmitrij,

looks like you are looking for regular .NET functionality.

You would need a button to trigger the actual upload of the file.

So your ascx could look like this:

<asp:FileUpload ID="OurUmbr_FileUpload" runat="server" />
<asp:Button ID="OurUmbr_UploadButton" runat="server" Text="Upload file" OnClick="OurUmbr_UploadButton_Click" />
<asp:Label ID="OurUmbr_UploadStatusLabel" runat="server" />

And codebehind could look like:

   protected void OurUmbr_UploadButton_Click(object sender, EventArgs e)
    {
      if (!OurUmbr_FileUpload.HasFile) return;
      try
      {
        var filename = Path.GetFileName(OurUmbr_FileUpload.FileName);
        OurUmbr_FileUpload.SaveAs(Server.MapPath("~/") + filename);
        OurUmbr_UploadStatusLabel.Text = "Upload status: File uploaded!";
      }
      catch (Exception ex)
      {
        OurUmbr_UploadStatusLabel.Text = "Upload status: The file could not be uploaded. The following error occured: " + ex.Message;
      }
    }

This should do the trick.

Take care,

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File upload through custom user control