[DotNetDevelopment] c# array

[rafael]

I am new to c#...if I have a code php like this, how do i convert it
to c#

<?php

$arr["US"] = array();
$arr["US"]["Jan"] = "123";
$arr["US"]["Feb"] = "456";
$arr["Eur"] = array();
$arr["Eur"]["Jan"] = "678";
$arr["Eur"]["Feb"] = "890";
$arr["Sing"] = array();
$arr["Sing"]["Jan"] = "4145";
$arr["Sing"]["Feb"] = "897";


$n = array();

foreach($arr as $k=>$v)
{

        foreach ($v as $k1=>$v1)
        {
                //print $k." -- ".$k1." -- ".$v1."<br>";
                $n[$k1][$k] = $v1;
        }
}


print "<pre>";
print_r($n);

?>

Thank You.