format decimals
<p>I've found some example code which have this line</p>

<pre><code>string.Format(CultureInfo.InvariantCulture, "{0};{1:f2};{2:f3};",item, someDecimalField, decimalAgain);
</code></pre>

<p>What are these <code>{1:f2};{2:f3}</code> and where I can found further info.</p>

<p>Thanks</p>
