public override void EditItem()
        {
            SqlTableSizeCollectorEditEntry editSqlQueryInstance = new SqlTableSizeCollectorEditEntry();

            editSqlQueryInstance.SelectedSqlTableSizeEntry = (SqlTableSizeCollectorEntry)lvwEntries.SelectedItems[0].Tag;
            if (editSqlQueryInstance.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                ListViewItem lvi = lvwEntries.SelectedItems[0];
                lvi.Text             = editSqlQueryInstance.SelectedSqlTableSizeEntry.ToString();
                lvi.SubItems[1].Text = editSqlQueryInstance.SelectedSqlTableSizeEntry.Tables.Count().ToString();
                lvi.Tag = editSqlQueryInstance.SelectedSqlTableSizeEntry;
                CheckOKEnabled();
                CheckEnableButtons();
            }
        }
        public override void AddItem()
        {
            SqlTableSizeCollectorEditEntry editSqlQueryInstance = new SqlTableSizeCollectorEditEntry();

            editSqlQueryInstance.SelectedSqlTableSizeEntry = new SqlTableSizeCollectorEntry();
            if (editSqlQueryInstance.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                ListViewItem lvi = new ListViewItem(editSqlQueryInstance.SelectedSqlTableSizeEntry.ToString());
                lvi.SubItems.Add(editSqlQueryInstance.SelectedSqlTableSizeEntry.Tables.Count.ToString());
                lvi.Tag = editSqlQueryInstance.SelectedSqlTableSizeEntry;
                lvwEntries.Items.Add(lvi);
                CheckOKEnabled();
                CheckEnableButtons();
            }
        }