************ ช่วยดูการต่อสตริงหน่อยคะ ************************* ขอบคุณค่า

$pointSQL = " SELECT * 
FROM `evaulation`.`point_sub` point, `regist_student`.`student`std 
WHERE point.SCODE = std.SCODE 
AND point.SUB_CODE = '".$courseID."'
AND point.RNAME = '".$room."'
AND point.MYEAR = '".$year."'
AND point.TERM = '".$term."' ";
if($_POST['txtSearch']){
	$pointSQL.="AND (point.grade LIKE '%".trim($_POST['txtSearch'])."%' 
	OR std.SNAME LIKE '%".trim($_POST['txtSearch'])."%' ." 
	else if($_POST['search_point']== "POINT1"){."OR point.POINT1 LIKE '%".trim($_POST['search_point'])."%') ".}."
	." else if($_POST['search_point']== "C_POINT"){." OR point.C_POINT LIKE '%".trim($_POST['search_point'])."%') ."} ."	
	." else if($_POST['search_point']== "POINT2"){." OR point.POINT2 LIKE '%".trim($_POST['search_point'])."%') ."} ."
	." else if($_POST['search_point']== "H_POINT"){." OR point.H_POINT LIKE '%".trim($_POST['search_point'])."%') ."} ."
	." else if($_POST['search_point']== "F_POINT"){." OR point.F_POINT LIKE '%".trim($_POST['search_point'])."%') ."} ."
	." else if($_POST['search_point']== "total_p"){." OR point.total_p LIKE '%".trim($_POST['search_point'])."%') ."} ."
	ORDER BY  point.SCODE ASC ";	
	}
$point = mysql_query($pointSQL);