将.NET和SQL Server数据库应用程序迁移到新计算机上

I have a C# application which connects to a SQL Server database. Everything works well(select, insert, update, delete, etc.). I decided to take my application, database files to a new computer. I knew before that it wouldn't work. I made changes to my application, tried connection string for attached database file, but no luck. It seems I need database driver. But it's not the end. I need to set up database parameters(logins, instance, etc.). I have a C# application which connects to a SQL