ช่วยดูโค้ดให้หน่อยครับ ดึงข้อมูลมาแสดง แต่ error ไม่สามารถแสดงข้อมูลได้

		//////////////////////////////   Connect Base Server   /////////////////////////////////////////////
			$conn =  mysql_connect("host","user","pass"); 
			$dbname = "dbname";
			mysql_query('SET CHARACTER SET utf8');
			mysql_select_db("$dbname");




			$sql = "SELECT* FROM table"; 
			$res = mysql_query($sql,$conn);
			$count = mysql_num_rows($res);
   while ($row = mysql_fetch_array($res)){
   echo $row["xx"];
}

$sched=mysql_query("SELECT * FROM 'tbl_dateworkshop' ORDER BY 'date_ws' DESC LIMIT 4") or die(mysql_error());

SELECT * FROM 'tbl_dateworkshop' ORDER BY 'date_ws' 

SELECT * FROM `tbl_dateworkshop` ORDER BY `date_ws`

<?php
$strHost = "localhost";
$strUser = "root";
$strPassword = "123456";
$strDB = "gogreenc_workshop";
$c=mysql_connect($strHost,$strUser,$strPassword);
if(!$c){
	die('ไม่สามารถติดต่อฐานข้อมูลได้นขณะนี้ : '.mysql_error());
}
mysql_select_db($strDB);
//mysql_set_charset("utf8");
mysql_query("SET NAMES UTF8");
//base Web Folder
$basefolder="yostudio/examination";
$text_url="/".$basefolder."/";

//Email ผู้ดูแลระบบ
$admin_email="";
?>