/// <summary>
        /// Running query
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnQryComb1_Click(object sender, EventArgs e)
        {
            try
            {
                DTO.CombinedFilter filter = new DTO.CombinedFilter();
                //TODO: Validation
                filter.HasChildren = bool.Parse(cboQryMustHasChildren.Text);
                filter.Ages        = txtQryShouldHaveAges.Text.Split(',').ToList <string>();
                filter.Names       = txtQryMustNotName.Text.Split(',').ToList <string>();

                FillListView(_customerBll.QueryUsingCombinations(filter), lvwHits2);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
            }
        }