From: Jonan Scheffler <jonanscheffler@...>
Date: 2012-08-09T00:06:33+09:00
Subject: Re: file upload without entering the file

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Just check that params[:dump][:excel_file] exists before you use it.

You could also disable the upload button by default and enable it using
javascript only if they enter a value in the field.
On Aug 8, 2012 4:26 AM, "deal bitte" <lists@ruby-forum.com> wrote:

> require 'rubygems'
>     require 'spreadsheet'
>     Spreadsheet.client_encoding = 'UTF-8'
>      workbook = Spreadsheet.open params[:dump][:excel_file]
>      sheet = workbook.worksheet 'database'
>
>
> I am getting an error if i click on upload button with no file in the
> field.
>
> --
> Posted via http://www.ruby-forum.com/.
>
>

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<p>Just check that params[:dump][:excel_file] exists before you use it. </p=
>
<p>You could also disable the upload button by default and enable it using =
javascript only if they enter a value in the field.</p>
<div class=3D"gmail_quote">On Aug 8, 2012 4:26 AM, &quot;deal bitte&quot; &=
lt;<a href=3D"mailto:lists@ruby-forum.com">lists@ruby-forum.com</a>&gt; wro=
te:<br type=3D"attribution"><blockquote class=3D"gmail_quote" style=3D"marg=
in:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
require &#39;rubygems&#39;<br>
=A0 =A0 require &#39;spreadsheet&#39;<br>
=A0 =A0 Spreadsheet.client_encoding =3D &#39;UTF-8&#39;<br>
=A0 =A0 =A0workbook =3D Spreadsheet.open params[:dump][:excel_file]<br>
=A0 =A0 =A0sheet =3D workbook.worksheet &#39;database&#39;<br>
<br>
<br>
I am getting an error if i click on upload button with no file in the<br>
field.<br>
<br>
--<br>
Posted via <a href=3D"http://www.ruby-forum.com/" target=3D"_blank">http://=
www.ruby-forum.com/</a>.<br>
<br>
</blockquote></div>

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