career advice

I am doing a computer operator job from last 4 years, done MCA from distance learning (IGNOU), always dream to get a job as .net developer, but dont get a chance. I am in 30 now, how could be possible for me to make a career as a programmer. i do learn asp.net from ducat since 5 years ago but after that some financial and job related issues I opt to start job as operator. what can i do, is there is any possibility to get an entry in programming world for me??