private void MatchResult_Load(object sender, EventArgs e) { UpdateDBLin ul = new UpdateDBLin(); MyDBDataContext cntx; cntx = new MyDBDataContext(@"Data Source=(LocalDB)\v11.0;AttachDbFilename=F:\Important Documents\Project\Solution1\OOP2\DotaDB.mdf;Integrated Security=True;Connect Timeout=30"); var str = from a in cntx.MResults where a.MatchId == mr.MatchId select a; dataGridView1.DataSource = str; var st = from a in cntx.MatchPs where a.MatchId == mp.MatchId && a.Username == mp.Username select a; dataGridView2.DataSource = st; ul.InsertUserPrediction(mp, bs1, bs2, bs3, w1, w2, w3); ul.DeletePred(mp.Username, mp.MatchId); }