Record already exist

Aug 20 2018 2:21 AM

hi everyone I am working on windows forms c# visual studio 2013 and sql server 2014

i have a form to enter data for archiving book_no(varchar(20)), book_date(date), department( int )

my question is how to check this book is exist on three fields above when user enters book_no, book_date, department

hope my idea is clear

any help will be appreciated

Answers (3)