I want to copy the text from bmp file..is there is any idea or software that can copy out the text...
I hope can
-copy text from bmp, jpg
-copy text from pdf than cannot select the text

It called OCR - Optical Character Recognition.

Check here :-

http://en.wikipedia.org/wiki/Optical_character_recognition

thankx..but can give any software name?

i could copy text from a pdf that had copy locked after i installed adobe, the one you create pdfs with. it has an option that allows you to change the copy status

ya..tat one i know..but copy text from bmp file..is more hard
anyway,i just found it...superior best software...and i quite suprise with its performance
the name is called Abbyy finereader professional V9..better than other OCR software

free or pay software?

The one i found is trial version.or china website got many illegal one..this software is really geng and better than other OCR..coz i download few trial version...quite mad to those other OCR software..and this one is more smart..outlook is very nice and friendly use.