private void ShowReaders_Load(object sender, EventArgs e) { lbdb db = new lbdb(); dtgReaders.DataSource = db.Readers.Select(rs => new { rs.Rnm, rs.RSnm, rs.Rphon, rs.Fakulteler.FakulteAdi }).ToList(); //using (SqlConnection con = new SqlConnection(Properties.Settings.Default.libCon)) //{ // string comstring = "Select bk.BookName,bk.CreateDate,ath.AutName"+ // " from Books bk"+ // " join Authors ath "+ // " on ath.Id=bk.AuthorId "; // SqlDataAdapter da = new SqlDataAdapter(comstring,con); // DataSet ds = new DataSet(); // da.Fill(ds,"bk"); // dtgReaders.DataSource = ds.Tables["bk"]; //} }