private void set_define_events() { this.Load += f310_cham_cong_theo_danh_sach_nhan_vien_Load; m_cmd_search.Click += m_cmd_search_Click; m_cmd_insert.Click += m_cmd_insert_Click; m_grv_cham_cong.CellValueChanged += m_grv_cham_cong_CellValueChanged; }