Job Growth

Question

i am working with a MNC who is working on an obsolete technology called WML(webPlus modified language) and i have 3 years of experience of WML in Integration department in that company.I didn't do any development in these 3 years and now i want to switch to development side in Dotnet technologies. Could you please suggest if it would be good for me as i see no growth and job for Integration stuff in IT market.