public void BtnTaxis_OnClick(object sender, EventArgs e) { var list = Request.QueryString["idCollection"].Split(',').Select(s => Convert.ToInt32(s)).ToList(); var isUp = Convert.ToBoolean(DdlIsTaxisUp.SelectedValue); var count = Convert.ToInt32(TbTaxisCount.Text); if (isUp) { for (var i = 0; i < count; i++) { foreach (var id in list) { ArticleDao.UpdateTaxisToUp(_contentId, id); } } } else { for (var i = 0; i < count; i++) { foreach (var id in list) { ArticleDao.UpdateTaxisToDown(_contentId, id); } } } Response.Redirect(GetRedirectUrl(_siteId, _contentId)); }