i have dropdownlist for program like 1)graduate 2)postgraduate and course like 1)BE 2)BPHARM 3)B.sc and Branch like IT CE etc
now select auto howmany semester in course
for ex: BE have 1 to 8 semester then show sem1, sem2.....sem8 in combo box
if B.sc then show auto in combo box sem1,sem.....sem6