public FrmDatabaseImportProcess(List<DataImportTable> tableList, DataBase newBase, Connector.SgbdType sgbdType, IConnector conn)
{
InitializeComponent();
Cursor.Current = Cursors.WaitCursor;
_sgbdType = sgbdType;
_db = newBase;
_tableList = tableList;
_conn = conn;
foreach (DataImportTable table in tableList)
table.Count = conn.GetCount(table.Name);
_columnsCount = tableList.Sum(t => t.Columns.Count);
launch();
Cursor.Current = Cursors.Default;
}