private void BtnUpdate_Click(object sender, EventArgs e) { if (LvColumns.SelectedIndices.Count > 0) { var column = _columnCrud.GetOne(LvColumns.SelectedId); column.Name = TbColumnName.Text; column.PossibleAnswers = ItemsToStringArray(LbAnswers.Items); _columnCrud.Update(column._id, column); RefreshColumnList(); } else { MessageBox.Show("Herhangi bir veri seçmediniz.", "Uyarı", MessageBoxButtons.OK, MessageBoxIcon.Warning); } }