How to insert value into primary key identity column in SQL through C#?

Question

(My problem solved. As almost everyone said I had to remove @OB_ID and left it to SQL to assign value.)

I want to insert a new record into a table in SQL database th

Answer 1

Replace Following

SqlCommand cmd2 = new SqlCommand("INSERT INTO Order_Book VALUES( @OB_Title,    @OB_Author, @OB_TranslatedBy, @OB_Publisher)", sqlc);
//@OB_ID is indentity primary key

With

SqlCommand cmd2 = new SqlCommand("SET IDENTITY_INSERT Order_Book ON;INSERT INTO Order_Book VALUES( @OB_Title,    @OB_Author, @OB_TranslatedBy, @OB_Publisher);SET IDENTITY_INSERT Order_Book OFF;", sqlc);
 //@OB_ID is indentity primary key