กดบันทึกลงดาต้าเบสแล้วข้อมูลหายครับ จะทำไงไม่ให้มันหายครับ

<input type="button"  value="ºÑ¹·Ö¡Å§ DATABASE" onClick="this.form.action='http://192.168.0.4/kumpai/add_1.php'; submit() ">

<?php
include ('config.inc.php');

$strSQL = "INSERT INTO detail_6 ";
  
$strSQL .="(ContractNumberRES,PolicyNumber,CMIPolicyNumber,RecordGUIDRs,TransactionResponseDt,TransactionResponseTime,MessageCd
,ErrorMessage,LinkPolicy) ";
$strSQL .="VALUES ";
	$strSQL .="('".$_POST["ContractNumberRES"]."','".$_POST["PolicyNumber"]."','".$_POST["CMIPolicyNumber"]."',
	'".$_POST["RecordGUIDRs"]."','".$_POST["TransactionResponseDt"]."'";
	$strSQL .=",'".$_POST["TransactionResponseTime"]."','".$_POST["MessageCd"]."','".$_POST["ErrorMessage"]."'";
	$strSQL .=",'".$_POST["LinkPolicy"]."')";
	
//echo $strSQL; die();	
$objQuery = mysql_query($strSQL) or die(mysql_error());
$strID_run = mysql_insert_id();
if($objQuery)
{
	echo "<script language='javascript'>alert('complete');history.back();window.location='http://192.168.0.4/kumpai/SendISUZU1.html';</script>";
	
	
}
else
{
	echo "Error Save [".$strSQL."]";
}

mysql_close();

?>