private void btnEditCompetion_Click(object sender, EventArgs e) { int rowindex = dgvCompetition.CurrentRow.Index; int code = Convert.ToInt32(dgvCompetition[0, rowindex].Value); //tạo một cái time mới DateTime dt = new DateTime(dtDateBegin.Value.Year, dtDateBegin.Value.Month, dtDateBegin.Value.Day, inputHour.Value, inputMin.Value, 0); COMPETION cEdit = new COMPETION() { id = code, subtractID = cbSubtractCom.SelectedValue.ToString(), testDateBegin = dt, testTimeToLive = intTTL.Value, gradeid = Convert.ToInt32(cbgradeid.SelectedValue), idtest = Convert.ToInt32(cbDe.SelectedValue) }; TracNghiem.SuaKyThiThat(cEdit); OnLoad(e); }