how to customise detailsview ?

Question

Hai to all,
I am working on details view data bound control,in this i want to bind data using sqldatasource ,my requirement is ,i want to keep two buttons save and cancle.
whenever click on save button hide the save,cancle and visible the print and cancle buttons.

whenever add the  sqldatasource we get the delete,edit,new links,when ever click on 'new' link button i want save,cancel buttons  in footer of details view
 

plz help me


Thanks inadvance.