SELECT id,course_id,subject FROM course_subject WHERE course_id= You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1خطا در داده SELECT id,image,subject,description FROM tblcourse WHERE id= You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1خطا در داده SELECT id,course_subject_id,subject,content,content_type FROM course_sub_subject WHERE course_id= and content_type=0 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'and content_type=0' at line 1خطا در داده
