จะแก้ไข List Box แต่อยากให้แสดงข้อมูลเดิมไว้ตอนแรก....

<?
//*** Update Condition ***//
if($_POST["hdnCmd"] == "Update")
{
	$strSQL = "UPDATE tbpa1 SET ";
	//$strSQL .="emp_id = '0' " ;
	$strSQL .="pa1_detail = '".$_POST["txtdetail"]."' ";
	$strSQL .=",pa1_status = '".$_POST["status2"]."' ";
	/*$strSQL .=",Email = '".$_POST["txtEditEmail"]."' ";
	$strSQL .=",CountryCode = '".$_POST["txtEditCountryCode"]."' ";
	$strSQL .=",Budget = '".$_POST["txtEditBudget"]."' ";
	$strSQL .=",Used = '".$_POST["txtEditUsed"]."' ";*/
	$strSQL .="WHERE pa1_id = '".$_POST["id"]."' ";
	$objQuery = mysql_query($strSQL);
	if(!$objQuery)
	{
		echo "Error Update [".mysql_error()."]";
	}
	//header("location:$_SERVER[PHP_SELF]");
	//exit();
}
$strSQL = "SELECT * FROM tbpa1 order by pa1_id asc";
$objQuery = mysql_query($strSQL) or die ("Error Query [".$strSQL."]");
?>
<center>
<form name="frmMain" method="post" action="<?=$_SERVER["PHP_SELF"];?>">
<input type="hidden" name="hdnCmd" value="">
<table width="700" border="1">
  <tr>
  	<th width="5%"> <div align="center">ลำดับ</div></th>
    <th width="75%"> <div align="center">หน้าที่ความรับผิดชอบ</div></th>
    <th width="10%"> <div align="center">วิเคราะห์ </div></th>
    <th width="5%"> <div align="center">** </div></th>
    <th width="5%"> <div align="center">**</div></th>
  </tr>
<?
while($objResult = mysql_fetch_array($objQuery))
{ $i = 1;
?>

  <?
	if($objResult["pa1_id"] == $_GET["CusID"] and $_GET["Action"] == "Edit")
	{
  ?>
  <tr>
  	<td><?=$i;?></td>
    <td><input type="text" name="txtdetail2" id="txtdetail2" size="20" value="<?=$objResult["pa1_detail"];?>"></td>
    <td> <select name="status2" id = "status2">  
        	<option value="1">✓</option>
        	<option value="2">O</option>
        	<option value="3">✕</option>
      	</select>
    </td>
    <input type="hidden" name="id" id="idd" value="<?=$objResult["pa1_id"];?>"></td>
    <td colspan="2" align="right"><div align="center">
      <input name="btnAdd" type="button" id="btnUpdate" value="Update" OnClick="frmMain.hdnCmd.value='Update';frmMain.submit();">
      <input name="btnAdd" type="button" id="btnCancel" value="Cancel" OnClick="window.location='<?=$_SERVER["PHP_SELF"];?>';">
    </div></td>
  </tr>
  <?
	}
  else
	{
  ?>
  <tr>
  	<td><center><?=$i;?></center></td>
    <td><?=$objResult["pa1_detail"];?></td>
    <td>
	<? if($objResult["pa1_status"]== '1'){echo"✓";}
		else if($objResult["pa1_status"]== '2'){echo"O";}
		else if($objResult["pa1_status"]== '3'){echo"✕";}
	?>
    </td>
    <td align="center"><a href="<?=$_SERVER["PHP_SELF"];?>?Action=Edit&CusID=<?=$objResult["pa1_id"];?>">Edit</a></td>
	<td align="center"><a href="JavaScript:if(confirm('Confirm Delete?')==true){window.location='<?=$_SERVER["PHP_SELF"];?>?Action=Del&CusID=<?=$objResult["pa1_id"];?>';}">Delete</a></td>
  </tr>
  <?
	}
  ?>
<?
$i++ ; }
?>
  <tr>
  	<td></td>
    <td><input type="text" name="txtdetail" size="100"></td>
    <td> <select name="status" id = "status"  >  
        <option value="1">✓</option>
        <option value="2">O</option>
        <option value="3">✕</option>
      </select>
    </td>
    <!--<td><input type="text" name="txtAddEmail" size="20"></td>-->
    <td colspan="2" align="right"><div align="center">
      <input name="btnAdd" type="button" id="btnAdd" value="Add" OnClick="frmMain.hdnCmd.value='Add';frmMain.submit();">
    </div></td>
  </tr>
</table>
</form>
<?
mysql_close($conn);
?>

<select name="status" id="status">
<option value="1" <? if($objResult["pa1_status"])
{echo 'selected="true"';}?>>✓</option>
 <option value="2" <? if($objResult["pa1_status"])
{echo 'selected="true"';}?>>O</option>
 <option value="3" <? if($objResult["pa1_status"])
{echo 'selected="true"';}?>>✕</option>       
 </select>