สอบถามเรื่องการ Query ข้อมูลแบบหลายเงื่่อนไข .............ช่วยดูโค้ดหน่อยน่ะค่ะว่า ผิดตรงไหน หามา 2 ชม.กว่าเเล้ว

	$strSQL = "SELECT invasion.id, month.month_name, division.division_name, bss.bss_name,line.line_name,pole,type.type_name,style.style_name,height,barrier,detail,detected,status.status_name,deadline,name,address,tel
		FROM invasion 
		INNER JOIN month ON invasion.month_id=month.month_id 
		INNER JOIN division ON invasion.division_id = division.division_id 
		INNER JOIN bss ON invasion.bss_id = bss.bss_id 
		INNER JOIN line ON invasion.line_id = line.line_id 
		INNER JOIN type ON invasion.type_id = type.type_id 
		INNER JOIN style ON invasion.style_id = style.style_id 
		INNER JOIN status ON invasion.status_id = status.status_id  
		where	1=1";
		
		if(isset($_GET['month']) and !empty($_GET['month']))
		{
		$strSQL .= " and month_id = '" . $_GET['month'] . "%'"
		}

		if(isset($_GET['division']) and !empty($_GET['division']))
		{
		$strSQL .= " and division_id = '" . $_GET['division'] . "%'"
		}

	$strSQL = "SELECT invasion.id, month.month_name, division.division_name, bss.bss_name,line.line_name,pole,type.type_name,style.style_name,height,barrier,detail,detected,status.status_name,deadline,name,address,tel
		FROM invasion 
		INNER JOIN month ON invasion.month_id=month.month_id 
		INNER JOIN division ON invasion.division_id = division.division_id 
		INNER JOIN bss ON invasion.bss_id = bss.bss_id 
		INNER JOIN line ON invasion.line_id = line.line_id 
		INNER JOIN type ON invasion.type_id = type.type_id 
		INNER JOIN style ON invasion.style_id = style.style_id 
		INNER JOIN status ON invasion.status_id = status.status_id  
		where  (invasion.month_id = '".$_GET["month"]."' and invasion.division_id = '".$_GET["division"]."' and invasion.bss_id = '".$_GET["bss"]."' and invasion.line_id = '".$_GET["line"]."' and invasion.type_id = '".$_GET["type"]."'and invasion.style_id = '".$_GET["style"]."'and invasion.status_id = '".$_GET["status"]."')";