protected void btnDelete_Click(object sender, System.EventArgs e) { string q_sbj_id = hdfQSbjID.Value; string q_obj_id = hdfQObjID.Value; bool bResult = questionSubjects.RemoveQuestionSubject(q_sbj_id); if (bResult) { BindGrid(WebUtility.GetByValueDropDownList(ddlQObjID)); ClearValueControls(); } else { ltrScript.Text = JSHelper.GetAlertScript("삭제되지 않았습니다.", false); return; } }