mysterious file upload

[kron84]

hi, i have a simple html objects like

<INPUT type=file id=File1 name=File1 runat="server" visible="true" ><br />
<input type="submit" id="Submit1" value="Salveaza" runat="server" NAME="Submit1" >
 

in an .net application, it should upload files on server;

if (Directory.Exists(caleSave))
                {
                    caleSave += "\\";
 
  if ((File1.PostedFile != null) && (File1.PostedFile.ContentLength > 0))
                    {
 string fn = System.IO.Path.GetFileName(File1.PostedFile.FileName);
                        string SaveLocation = caleSave + fn;
                        try
                        {
                            File1.PostedFile.SaveAs(SaveLocation);
                            lblEroare.Text = "Document saved successfully!";
                        }
                        catch (Exception ex)
                        {
                            lblEroare.Text = "Error " + ex.Message;                            
                        }
                    }
                    else
                    {
                        lblError.Text = "Select a file!!!";
                        lblError.ForeColor = System.Drawing.Color.Red;
                    }
                }
 

what i am doing wrong?? beacause this code doesn't upload on the first time but only second time it always works!

i'm using ajax extension for .net, with refresh... may be here is the problem?

[Plater]

Are any exceptions thrown? What do you mean by "fail"?
And yes, I might guess there is something to do with the way ajax sends data, but it should still work.

[kron84]

only exeption is that it never passes this if condition
if ((File1.PostedFile != null) && (File1.PostedFile.ContentLength > 0))
{bla bla}

[Plater]

Does your ajax object make sure to use the correct POST style for form-multipart?

[kron84]

how can I set in SharePoint ajax form enctype? I'm publishing the control as a SmartPart with Ajax.