protected void ButtonOK_Click(object sender, EventArgs e) { bool done = false; StringBuilder stringBuilder = new StringBuilder(); UserBusiness business = new UserBusiness(); if (this.CheckBoxListUsers.Items != null) { List<User> users = new List<User>(); for (int i = 0; i < this.CheckBoxListUsers.Items.Count; i++) { if (this.CheckBoxListUsers.Items[i].Selected) { User user = new User(); user.Guid = this.CheckBoxListUsers.Items[i].Value; users.Add(user); } } if ((users != null) && (users.Count > 0)) { int success = 0; int fail = 0; for (int i = 0; i < users.Count; i++) { done = business.Delete(users[i]); if (done) { success++; } else { fail++; } } stringBuilder.Append(string.Format("删除{0}个用户成功!", success)); stringBuilder.Append(string.Format("删除{0}个用户失败!", fail)); } } this.LabelMessage.Text = stringBuilder.ToString(); this.InitializeBind(); }