private void ActionUser(string state) { string userCodes = ""; for (int i = 0; i < gvUser.Rows.Count; i++) { CheckBox chk = (CheckBox)(gvUser.Rows[i].FindControl("chkUser")); if (chk.Checked) { userCodes += gvUser.DataKeys[i].Value.ToString() + ";"; } } if (userCodes != "") { //DBManager.DeleteDeptUser(DeptCode, userCodes); DepartmentBLL bll = new DepartmentBLL(); bll.DeleteDeptUser(DeptCode, userCodes); } InitUser(); }