private void metroButton1_Click(object sender, EventArgs e) { ColumnData data = new ColumnData(columnNameTB.Text, typeTB.Text, isAllowNullCB.Checked.ToString(), isPrimaryCB.Checked.ToString(), isForeignKeyCB.Checked.ToString()); if (isForeignKeyCB.Checked) { data.foreignTable = referenceTable.SelectedItem.ToString(); data.foreignColumn = referenceColumn.SelectedItem.ToString(); } tManager.AddColum(data); columnLV.Items.Add(new ListViewItem(data.ToStringArrya())); }