How to change the Backcolor of a Button into Gradient

How to change the Backcolor of a Button into Gradient

References

Reference NO 1

http://stackoverflow.com/questions/15194931/how-to-change-the-backcolor-of-a-button-into-gradient

Reference NO 2

http://www.pixelmator.com/tutorials/using-gradients/

Reference NO 3

http://en.forums.wordpress.com/topic/change-color-of-gradient-button

Reference NO 4

http://helpx.adobe.com/flash/using/strokes-fills-gradients.html

Reference NO 5

http://superuser.com/questions/304031/change-an-image-in-gimp-with-a-gradient-like-a-shiny-button-or-sticker-tab

Reference NO 6

http://docs.gimp.org/en/gimp-gradient-dialog.html

Reference NO 7

http://cssgradientbutton.com/

Reference NO 8

http://msdn.microsoft.com/en-us/library/ms754083.aspx