about excel export for WD!

i 've seen the thread web" target="_blank">www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/edc2f3c2-0401-0010-8898-acd5b6a94353">web dynpro Binary Cache.

<b>i have to got some changes for requirement:</b>

<b>1.></b>i don't wanna to open a new URL page and a download dialog windows(open/save/cancel option buttion) when i click excel URL file.i hope it only to pop the download dialog windows;

2.> after i download the excel file to my local computer.i don't wanna to select some options(1.As a XML list;2.As a read-only workbook) to open it.i hope i can open it directly by click the *.xls file.

<b>3.></b>i don't know how to change the column name for excel file. Liking some blank-letter maybe appear in the column name. e.g.: <b>First Name</b> not <b>FirstName</b>.

looking forward to u reply.thanks in advance!