I am going to provide one custom button to my visualforce page for create new Quote, Quote is Standard object..
Visualforce page :
<apex:commandButton value="Create New Quote" action="/0Q0/e?retURL=%2F0063600000D5oyOAAR&oppid=0063600000D5oyO"/>
Now, question is How can i pass Blank (selectable lookup) when i click on this New Button ?
Thanks