ถามเรื่องการดึงข้อมุลจาก data base ครับ พอเข้าไปทำไมมันโชว์หมดเลย

<CENTER> <a href="book_search.php"><font color='#CC6666'></a><img src="lib.gif">&nbsp;&nbsp;<font size='5'>Ê׺¤é¹µÒÁËÁÇ´ËÁÙè˹ѧÊ×Í</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
<a href="book_search2.php"><font color='#CC6666'>Ê׺¤é¹µÒÁÃÒª×èÍ˹ѧÊ×Í</a>&nbsp;&nbsp;<img src="lib2.gif"></CENTER>
<CENTER>
<form name="frmSearch" method="post" action="<?=$_SERVER['SCRIPT_NAME'];?>">
  <table width="1000" border="1" bordercolor='#FFFFFF'>
    <tr>
      <th bgcolor='#33FF00'>àÅ×Í¡ËÁǴ˹ѧÊ×Í 
	    <input type="hidden" name="Action" value="Search">
        <select name="ddlGROUP1" id="ddlGROUP1">
          <option>- àÅ×Í¡ËÁÇ´ -</option>
          <option value="000">·ÑèÇä»</option>
          <option value="100">»ÃÑ­­Ò</option>
          <option value="200">ÈÒʹÒ</option>
		            <option value="300">Êѧ¤ÁÈÒʵÃì</option>
          <option value="400">ÀÒÉÒÈÒʵÃì</option>
          <option value="500">ÇÔ·ÂÒÈÒʵÃì</option>
          <option value="700">ÈÔÅ»¡ÃÃÁáÅСÒúѹà·Ô§ </option>
          <option value="800">ÇÃó¤´Õ</option>
          <option value="900">»ÃÐÇѵÔÈÒʵÃìáÅÐÀÙÁÔÈÒʵÃì</option>
          <option value="Ã">àÃ×èͧÊÑé¹</option>
          <option value="Í">ÍéÒ§ÍÔ§</option>
          <option value="¹">¹Ç¹ÔÂÒÂ</option>
          <option value="Â">à´ç¡,àÂÒǪ¹</option>
          <option value="¹ÔµÂÊÒÃ">¹ÔµÂÊÒÃ</option>
          <option value="cd">CD,VCD,DVD</option>
          <option value="qs">¡ÒÂÇÔÀÒ¤ÈÒʵÃì¢Í§Á¹ØÉÂì </option>
          <option value="100">»ÃÑ­­Ò</option>
          <option value="200">ÈÒʹÒ</option>
          <option value="000">·ÑèÇä»</option>
          <option value="100">»ÃÑ­­Ò</option>
          <option value="200">ÈÒʹÒ</option>
          <option value="000">·ÑèÇä»</option>
          <option value="100">»ÃÑ­­Ò</option>
          <option value="200">ÈÒʹÒ</option>
          <option value="000">·ÑèÇä»</option>
          <option value="100">»ÃÑ­­Ò</option>
          <option value="200">ÈÒʹÒ</option>
          <option value="000">·ÑèÇä»</option>
          <option value="100">»ÃÑ­­Ò</option>
          <option value="200">ÈÒʹÒ</option>
          <option value="000">·ÑèÇä»</option>
          <option value="100">»ÃÑ­­Ò</option>
          <option value="200">ÈÒʹÒ</option>
          <option value="000">·ÑèÇä»</option>
          <option value="100">»ÃÑ­­Ò</option>
          <option value="200">ÈÒʹÒ</option>
          <option value="000">·ÑèÇä»</option>
          <option value="100">»ÃÑ­­Ò</option>
          <option value="200">ÈÒʹÒ</option>
          <option value="000">·ÑèÇä»</option>
          <option value="100">»ÃÑ­­Ò</option>
          <option value="200">ÈÒʹÒ</option>
          <option value="000">·ÑèÇä»</option>
          <option value="100">»ÃÑ­­Ò</option>
          <option value="200">ÈÒʹÒ</option>
          <option value="000">·ÑèÇä»</option>
          <option value="100">»ÃÑ­­Ò</option>
          <option value="200">ÈÒʹÒ</option>
          <option value="000">·ÑèÇä»</option>
          <option value="100">»ÃÑ­­Ò</option>
          <option value="200">ÈÒʹÒ</option>

        </select>
      <input type="submit" value="¤é¹ËÒ"></th>
    </tr>
  </table>
</form>


<?
if($_POST["Action"] == "Search")
{
	$objConnect = mysql_connect("mysql15.000webhost.com","a4456728_lib","banmi15110") or die("Error Connect to Database");
    mysql_query("SET NAMES TIS620");
	$objDB = mysql_select_db("a4456728_lib");
	$strSQL = "SELECT * FROM book WHERE 1  ";
	if($_POST["ddlGROUP1"] != "")
	{
	 $strSQL .= " AND (GROUP1 = '".$_POST["ddlGROUP1"]."') ";
	}	
	$objQuery = mysql_query($strSQL) or die ("Error Query [".$strSQL."]");

	?>
	<table width="1000" border="1" bordercolor='#FFFFFF' bgcolor=''>
	  <tr bgcolor='#CCCC66'>
		<th width="20000"> <div align="center">ª×èÍ˹ѧÊ×Í</div></th>
				<th width="10000"> <div align="center">¼Ùéáµè§</div></th>
		<th width="15000"> <div align="center">Êӹѡ¾ÔÁ¾ì</div></th>
		<th width="1000"> <div align="center">»Õ·Õè¾ÔÁ¾ì</div></th>
	  </tr>
	<?
	while($objResult = mysql_fetch_array($objQuery))
	{
	?>
	  <tr bgcolor='#33CCCC'>
		<td><div align="center"><?=$objResult["BNAME1"];?></div></td>
				<td><div align="center"><?=$objResult["WNAME"];?></div></td>
		<td><div align="center"><?=$objResult["PUBLI"];?></div></td>
		<td><div align="center"><?=$objResult["YPUBLI"];?></td>
	  </tr>
	<?
	}
	?>
	</table>
	<?
	mysql_close($objConnect);
}
?></CENTER>
</body>
</html>