list1 columna columnb
list2 columnc columnd
list3 columne columnf
i want to create a search code that will search ONLY on those lists and ONLY on some columns of the lists. It will be an application page or webpart page.
You can follow below steps:
2) Do a full crawl
3) Create Managed properties for the columns you want to search.Crawl Again.
4) Now, if you want to search in columnb ( for which you created 'ColumnB' as Managed Property), Go to the search center and enter below keyword query :
My suggestion would be to create one Managed property mapping all the crawled properties columna-columnf.