private void suppliercombo_SelectionChanged(object sender, SelectionChangedEventArgs e) { Driver.Clear(); Conductor.Clear(); Vehicle.Clear(); Connection cn = new Connection(); cn.connect(); cn.cmd.Connection = cn.cnn; cn.cmd.Connection.Open(); cn.cmd.CommandText = "Select Misc3,Misc2,Misc1 From Supplier Where SupplierActive='True' and SupplierName='" + suppliercombo.SelectedItem.ToString() + "'"; try { cn.dr = cn.cmd.ExecuteReader(); while (cn.dr.Read()) { Driver.Text = (cn.dr.GetString(1)); Conductor.Text = (cn.dr.GetString(0)); Vehicle.Text = (cn.dr.GetString(2)); // MessageBox.Show(cn.dr.GetString(0) + cn.dr.GetString(1) + cn.dr.GetString(2)); } } catch (Exception ex) { displayMetroError(ex); } }