Can't call include/common.inc.php.

Unable to call include/common.inc.php
Manually write the connection database minus the comment can run, but I want to call the method is unable to call include/common.inc.php halo to help AH
Require_once (DirName (__file__). " /.. /include/common.inc.php ");
/* $link =mysql_connect ("localhost", "root", "");
mysql_query ("Set names ' GBK '");
mysql_select_db ("Zynk2"); */
$username =$_post["username"];
$age =$_post["age"];
$phone =$_post["Phone"];
$date =$_post["Date"];
$xiangmu =$_post["Xiangmu"];
$bingqing =$_post["bingqing"];

$tsql = "INSERT into Dede_diyform1 (username,age,phone,date,xiangmu,bingqing) VALUES (' $username ', ' $age ', ' $phone ', ' $ Date ', ' $xiangmu ', ' $bingqing ');

$trs =mysql_query ($tsql);
echo "$trs";
if ($trs) {
echo "Information has been added to the database";
}
else{
echo "message was not added";
}

?>
------Solution--------------------
Then you put out the full path of the common.inc.php file.

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