public void displayCells() { serialText.Text = lol.ItemID; imeText.Text = lol.ItemName; cenaText.Text = lol.Price.ToString(); List <string> row = new List <string>(); ItemsDatabase db = new ItemsDatabase(); if (lol.type == "Software") { SoftwareItem i = db.ReadSoftware(_code); row.Add(i.LicenseKey); row.Add(i.SizeInMB.ToString()); row.Add(i.version); } else if (lol.type == "Computer") { Computer c = db.ReadComputer(_code); row.Add(c.NoOfCores.ToString()); row.Add(c.AmountOfRam.ToString()); row.Add(c.HDDSize.ToString()); row.Add(c.weight.ToString()); } else if (lol.type == "Monitor") { Monitor m = db.ReadMonitor(_code); row.Add(m.weight.ToString()); row.Add(m.Resolution); row.Add(m.diag); row.Add(m.MonitorType); } dataGridView1.Rows.Add(row.ToArray()); }