update ข้อมูลโดยมีเงื่อนไขวันที่ไม่ได้ครับ รบกวนหน่อยครับ

<form action="invoice.php" method="get">
							<table style="width:100%;" cellspacing="0" cellpadding="0">

								<tbody><tr style="height:20px;">
									<td colspan="3"></td>
								</tr>
                               <?
if($_GET["txtKeyword"] and $_GET["txtKeyword2"] != "")
	{
$meSql8 = "SELECT Product_Id,Band,Model,Cost_Price,Date_Pay ,sum(Order_qty) as Order_qty,sum(Cost_Total) as Cost_Total

FROM order_details

Where Date_Pay between '".$_GET['txtKeyword']."' and '".$_GET['txtKeyword2']."' and Status = 'ชำระแล้ว' 
GROUP BY Product_Id";
$meQuery8 = mysql_query($meSql8);
?>
								<tr style="">
									<td style="vertical-align:top;"><table class="table table-striped">
                <thead>
                    <tr>
                   		<th>วันที่</th>
                        <th>รหัสสินค้า</th>
                        <th>รายละเอียด</th>
                        <th>ราคาต่อหน่วย</th>
                        <th>จำนวน</th>
                        <th>จำนวนเงิน</th>
                    </tr>
                </thead>
                <tbody>
                    <?php
                    while ($meResult8 = mysql_fetch_assoc($meQuery8))
                    {
                        ?>
                        <tr>
                        <td><div align="center"><?php echo $meResult8['Date_Pay']; ?></div></td>
                            <td><div align="center"><?php echo $meResult8['Product_Id']; ?>
                           </div></td>
                            <td><?php echo $meResult8['Band']; ?> <?php echo $meResult8['Model']; ?></td>
                            <td><div align="right"><?php echo $meResult8['Cost_Price']; ?></div></td>
                            <td><div align="center"><?php echo $meResult8['Order_qty']; ?></div></td>
                            <td><div align="right"><?php echo number_format($meResult8['Cost_Total'],2); ?></div></td>
                        </tr>
                        <?php
                    }
                    ?>
                </tbody>
                <?php
	
}
?>
            </table>
               
            </td>
								</tr>

								<tr style="">
									<td><p>
									<div align="right">
                                      <table width="100%" border="0" align="right">
                                        <tr>
                                          <td width="30%"><select name="agent">
			<option value="">เลือตัวแทนจำหน่าย</option>
			<?php
			$strSQL5 = "SELECT * FROM agent";
			$objQuery5 = mysql_query($strSQL5);
			while($objResuut5 = mysql_fetch_array($objQuery5))
			{
			?>
			<option value="<?php echo $objResuut5["Name"];?>">
			<?php echo $objResuut5["Name"];?></option>
			<?php
			}
			?>
		  </select></td>
                                          <td width="50%"><div align="right"> <input name="" type="submit" value="สั่งซื้อ" /></div></td>
                                        </tr>
                                      </table>
                                     </td>
                                      
								</tr>
								<tr style="height:5px; ">
									<td colspan="3"></td>
								</tr>
							</tbody></table>
                            <input  type="hidden" name="numbermax" value="<?php echo $number_max;?>" />
                                  <input  type="hidden" name="status" value="<?php echo "สั่งซื้อแล้ว";?>" />
                                  <input  type="hidden" name="status2" value="<?php echo "เสร็จสิ้น";?>" />
                                  <input  type="hidden" name="date" value="<?=date("Y-m-d")?>" />
                                  <input  type="hidden" name="date1" value="<?php echo $_GET["txtKeyword"];?>" />
                                  <input  type="hidden" name="date2" value="<?php echo $_GET["txtKeyword2"];?>" />
                                  <input  type="hidden" name="status3" value="<?php echo "ชำระแล้ว";?>" />
</form>

<?
if($_POST['date'] and $_POST['date2'] != "")
	{
		echo "กรุณาใส่ข้อมูล!";
		exit();
	}
?>
<?
$sql_edit = "update order_details 
	set 
Status = '$status2',
Agent = '$status',
Invoice_Id = '$numbermax',
Date_Invoice = '$date',
Agent_Name = '$agent' 
where Date_Pay between '$date' and '$date2' and Status = 'ชำระแล้ว'"; 
	mysql_query($sql_edit) or die(mysql_error());
	
	$sql_edit2 = "update order_list 
	set 
Status = '$status2',
Agent = '$status',
Invoice_Id = '$numbermax',
Date_Invoice = '$date',
Agent_Name = '$agent' 
where Date_Pay between '$date' and '$date2' and Status = 'ชำระแล้ว'"; 
	mysql_query($sql_edit2) or die(mysql_error());
?>