public void DeleteDataTable(string filename)
        {
            AddLog("DeleteDataTable");
            try
            {
                var shortFileName = Path.GetFileNameWithoutExtension(filename);

                var dtId = GetDataTableId(shortFileName);

                architect.DeleteFlowsDatatable(dtId, true);

                AddLog($"DeleteDataTable {shortFileName} successfully");
            }
            catch (Exception ex)
            {
                AddLog($"Error in GetDataTable: {ex.Message}");
                MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }