private void btnSave_Click(object sender, EventArgs e) { ArrayList users = cblUsers.GetSelectedValues(); d.CaseUserLink cul = new d.CaseUserLink(); int caseId = getCaseId(); cul.DeleteByCase(caseId); foreach (string userId in users) { cul.Create(caseId, Convert.ToInt32(userId)); } Response.Redirect("caseList.aspx"); }