Format number with thousand separator

[notview]

I want to convert number with thousand separator, any body could help me.

 

 

SAMPLE:

455444.22 --> 455,444.22

50000 --> 50,000

[hanhphuc]

Try this http://www.theswamp.org/index.php?topic=47391.0

[notview]

Thanks hanhphuc!! I learned a lot..