private async void ClearSelectedDbToolStripMenuItem_Click(object sender, EventArgs e)
        {
            listBoxSample.Hide();
            EnabledInterface(false);

            dBOperations.EvntInfoMessage -= DBOperations_EvntInfoMessage;
            dBOperations.EvntInfoMessage += new SqlAbstractConnector.Message <TextEventArgs>(DBOperations_EvntInfoMessage);

            MakeTextBoxResultShow();

            sampleStore.Reset();
            await DeleteColumnsInDB(currentSQLConnectionStore.GetCurrent());

            ShowMessage("Готово!");

            listBoxSample.Show();
            dBOperations.EvntInfoMessage -= DBOperations_EvntInfoMessage;
            HideTextBoxResultShow();
            EnabledInterface(true);
        }
        private void ComboBoxTable_SelectedIndexChanged(object sender, EventArgs e)
        {
            ISQLConnectionSettings newSettings = currentSQLConnectionStore?.GetCurrent();

            newSettings.Table = comboBoxTable?.SelectedItem?.ToString()?.Split('(')[0]?.Trim();

            lstColumn.Clear();
            foreach (var col in SQLSelector.GetColumns(newSettings).ToModelList())
            {
                string name = col.Name.Equals(col.Alias) ? col.Name : $"{col.Name} ({col.Alias})";
                lstColumn.Add(name);
            }

            columnDeleteStore.Reset();

            currentSQLConnectionStore.Set(newSettings);
        }