สวัสดีคับ อยากทราบเกี่ยวกับ listbox และอื่นๆ ขออธิบายก่อนถามนะคับ คือ ผมทำ php ใน editplus ฐานข้อม

<?php

<FORM name="key" METHOD=POST ACTION="" ONSUBMIT="return validate(this);" enctype="multipart/form-data">
<TABLE width="95%" border="0" align="center" cellpadding="0" cellspacing="0">
	<tr>
		<td colspan="3" align="left">
			<font size="+3" face="Arial, Helvetica, sans-serif">SP-CTS-001 Online</font>
		</td>
	</tr>
	<tr>
		<td colspan="3" align="left">&nbsp;</td>
	</tr>
	<tr>
		<td class=DetailHead align="left"> 
	    <?  #---------------------------------------- เลือกลูกค้าและบทที่ ที่ต้องการ ----------------------------------------------->
			$sql = "SELECT * FROM dcc_master_sub WHERE (docno='SP-CTS-001')";
			$table = odbc_exec($connect,$sql) or die ("No Connect Database");
			while(odbc_fetch_row($table))
			{
				$docno = odbc_result($table,"docno");
				$custcode = odbc_result($table,"custcode");
				$chapter = odbc_result($table,"chapter");
			}
			#---------------------------------------- เก็บชื่อลูกค้าที่ต้องการ ----------------------------------------------->
			$sql = "SELECT * FROM dcc_customer";
			$table = odbc_exec($connect,$sql) or die ("No Connect Database");
			while (odbc_fetch_row($table))
			{
				$NameCustomer = odbc_result($table,"description");
			}
			#<!---------------------------------------- เก็บชื่อบทที่ต้องการ ----------------------------------------------->
			$sql = "SELECT * FROM dcc_master_chapter WHERE (docno='SP-CTS-001')";
			$table = odbc_exec($connect,$sql) or die ("No Connect Database");
			while (odbc_fetch_row($table))
			{
				$NameChapter = odbc_result($table,"description");
			}
		?> 
			Customer : <input class="style4" name="custcode" size="20" value="<?=$_POST["custcode"];?>">
			Chapter : <input class="style4" name="chapter" size="10" value="<?=$_POST["chapter"];?>">
			<input name="check" type="submit" class="style4" value="Check">
        </td>
    </tr>
	<TR>
		<TD>&nbsp;</TD>
	</TR>
	<TR>
		<TD>
			คลิกเลือกลูกค้าและบทที่ต้องการอัพโหลดไฟล์ขึ้นระบบออนไลน์ <br />
			แล้วกดปุ่ม Check เพื่อตรวจสอบควาามถูกต้อง<br />
			แล้วเลือกไฟล์ PDF ที่ต้องการ ก่อนกด Save<br />
		</TD>
	</TR>
</TABLE>
</FORM>

<FORM METHOD=POST ACTION="insertSPCTS001.php" ONSUBMIT="return validate(this);" enctype="multipart/form-data">
<TABLE width="95%" border="0" align="center" cellpadding="0" cellspacing="0">
<?
if(($s_custcode=$_POST["custcode"]) && ($s_chapter=$_POST["chapter"]))
{
	$sql = "SELECT * FROM dcc_master_sub WHERE (docno='SP-CTS-001' and custcode='$s_custcode' and chapter='$s_chapter')";
	$table = odbc_exec($connect,$sql) or die ("No Connect Database");
	while(odbc_fetch_row($table))
	{
		$docno = odbc_result($table,"docno");
		$chapter = odbc_result($table,"chapter");
		$custcode = odbc_result($table,"custcode");	
		$revision = odbc_result($table,"revision");
		$dteuse = odbc_result($table,"dteuse");
			$dd=substr($dteuse,8,2);
			$mm=substr($dteuse,5,2);
			$yy=substr($dteuse,0,4);
			$dateuse="$dd/$mm/$yy";
	}
	$sql = "SELECT * FROM dcc_customer WHERE codeno='$s_custcode'";
	$table = odbc_exec($connect,$sql) or die ("No Connect Database");
	while (odbc_fetch_row($table))
	{
		$codeno = odbc_result($table,"codeno");
		$CustomerName = odbc_result($table,"description");
	}
	$sql = "SELECT * FROM dcc_master_chapter WHERE (chapter='$s_chapter' and docno='SP-CTS-001')";
	$table = odbc_exec($connect,$sql) or die ("No Connect Database");
	while (odbc_fetch_row($table))
	{
		$chapter = odbc_result($table,"chapter");
		$ChapterName = odbc_result($table,"description");
	}
?>
<TR>
	<td>Doc No.</td>
	<td colspan="3" align="left"><FONT SIZE="" COLOR="#990000"><B /><?=$docno;?></FONT></td>
</TR>
<TR>
	<td>Custcode</td>
	<td colspan="3" align="left"><FONT SIZE="" COLOR="#003300"><?=$custcode;?></FONT></td>
</TR>
<TR>
	<td>CustomerName</td>
	<td colspan="3" align="left"><FONT SIZE="" COLOR="#003300"><B /><?=$CustomerName;?></FONT></td>
</TR>
<TR>
	<td>Chapter</td>
	<td colspan="3" align="left"><FONT SIZE="" COLOR="#003300"><?=$chapter;?></FONT></td>
</TR>
<TR>
	<td>ChapterName</td>
	<td colspan="3" align="left"><FONT SIZE="" COLOR="#003300"><?=$ChapterName;?></FONT></td>
</TR>
<TR>
	<td>Revision</td>
	<td colspan="3" align="left"><FONT SIZE="" COLOR="#660066"><?=$revision;?></FONT></td>
</TR>
<TR>
	<td>Date Use</td>
	<td colspan="3" align="left"><FONT SIZE="" COLOR="#660066"><?=$dateuse;?></FONT></td>
</TR>
<TR>
	<td>Department</td>
	<td colspan="3" align="left"><FONT SIZE="" COLOR="#660099"><?=$Department;?></FONT></td>
</TR>
<tr>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
</tr>
<tr>
      <td>Upload PDF</td>
      <td><input name="upfile" type="file" class="style4" size="50"></td>
</tr>
<tr>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
</tr>
<tr>
	<td colspan="3" align="center">
		<input name="save" type="submit" class="style4" value="Save">
		<BR>
	</td>
</tr>
<? }?>	
</table>
</FORM>

?>