If your text is static, you can use #,###,###(#,###,###) in Standard masked edit. if you want to enter the text as much as you want then you should consider using thoundsand seperator function in keypress event of textbox..
Thanks and Regards, Michael Sync ( Blog: http://michaelsync.net) "Please vote to let me (and others) know if this answer helped you or not. A 5 vote tells people that your question has been answered successfully and that I've pitched it at just the right level. Thanks."