protected void m_grid_RowCommand(object sender, GridViewCommandEventArgs e)
        {
            try
            {
                string commandName = e.CommandName;
                GridViewRow row = m_grid.FooterRow;
                if (commandName == "Insert")
                {
                    clsThanhPhamChiTiet objThanhPhamChiTiet = new clsThanhPhamChiTiet();

                    string ThanhPham = ((DropDownList)row.FindControl("txtIThanhPham")).Text;
                    string ThietBi = ((DropDownList)row.FindControl("txtIThietBi")).Text;

                    objThanhPhamChiTiet.ThanhPham_Id = ThanhPham;
                    objThanhPhamChiTiet.ThietBi_Id = ThietBi;

                    int _result = objThanhPhamChiTiet.Insert();
                    if (_result >= 1)
                    {
                        ltlAnnouncement.Text = "Thêm mới thành phẩm chi tiết thành công!";
                    }
                    if (_result == -1)
                    {
                        ltlAnnouncement.Text = "Thành phẩm đã tồn tại, bạn nên kiểm tra lại!";
                    }
                    if (_result == 0)
                    {
                        ltlAnnouncement.Text = "Có lỗi trong quá trình thêm mới!";
                    }
                    bindData(-1);
                }
            }
            catch (Exception ex)
            {
                ltlAnnouncement.Text = "Khong them moi duoc du lieu. Vui long lien he voi quan tri<br>" + ex.Message;
            }
        }
        protected void m_grid_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            try
            {
                int id = e.RowIndex;
                m_grid.EditIndex = id;

                Guid delId = new Guid(m_grid.DataKeys[e.RowIndex].Value.ToString());
                if (m_grid.DataKeys[e.RowIndex].Value.ToString() != "")
                {
                    clsThanhPhamChiTiet objThanhPhamChiTiet = new clsThanhPhamChiTiet();
                    objThanhPhamChiTiet.ThanhPhamChiTiet_Id = m_grid.DataKeys[e.RowIndex].Value.ToString();
                    int status_Delete = objThanhPhamChiTiet.Delete();
                    if (status_Delete == 1)
                    {
                        ltlAnnouncement.Text = "Xóa thành công thành phẩm chi tiết!";
                    }
                    if (status_Delete <= 0)
                    {
                        ltlAnnouncement.Text = "Không xóa được thành phẩm chi tiết đã chọn.";
                    }
                }
            }
            catch (Exception ex)
            {
                ltlAnnouncement.Text = "Lỗi trong quá trình xóa nhóm người dùng: " + ex.ToString();
            }
            bindData(-1);
        }
        private void bindData(int index)
        {
            try
            {
                //LAY DANH SACH CAC QUOC GIA RA

                clsThanhPhamChiTiet objThanhPhamChiTiet = new clsThanhPhamChiTiet();
                dsGroup = objThanhPhamChiTiet.Select();
                objThanhPhamChiTiet.ThanhPhamChiTiet_Id = "0";

                m_grid.EditIndex = index;
                m_grid.DataSource = dsGroup;
                bool add = false;
                if (dsGroup.Rows.Count <= 0)
                {
                    dsGroup.Rows.Add(dsGroup.NewRow());
                    add = true;

                }
              //
                m_grid.DataBind();
                if(add)
                    m_grid.Rows[0].Visible = false;
                if (m_grid.Rows.Count > 0)
                {
                    string confirm = "return confirm('Bạn thật sự muốn xóa row này?')";

                    for (int i = 0; i < m_grid.Rows.Count; i++)
                    {
                        GridViewRow row = m_grid.Rows[i];
                        LinkButton lbutton1 = (LinkButton)row.FindControl("cmdDelete");
                        if (lbutton1 != null)
                        {
                            lbutton1.Visible = D_Option;
                            lbutton1.Attributes.Add("onclick", confirm);
                            //lbutton1.Enabled = D_Option;
                        }

                        LinkButton lbutton2 = (LinkButton)row.FindControl("cmdEdit");
                        if (lbutton2 != null)
                            lbutton2.Visible = U_Option;
                    }
                }

                //XET QUYETN CHO CHUC NANG INSERT
                GridViewRow row1 = m_grid.FooterRow;
                if (row1 != null)
                {
                    row1.Visible = I_Option;
                }
            }
            catch (Exception ex)
            {
            }
        }
        protected void m_grid_RowUpdating(object sender, GridViewUpdateEventArgs e)
        {
            try
            {
                int id = e.RowIndex;
                m_grid.EditIndex = id;
                GridViewRow row = m_grid.Rows[id];

                string ThanhPham = ((DropDownList)row.FindControl("txtUThanhPham")).Text;
               string ThietBi= ((DropDownList)row.FindControl("txtUThietBi")).Text;

              //  short updateId = Int16.Parse(m_grid.DataKeys[id].Value.ToString());
                if (m_grid.DataKeys[id].Value.ToString()!= "")
                {
                    clsThanhPhamChiTiet objThanhPhamChiTiet = new clsThanhPhamChiTiet();

                    objThanhPhamChiTiet.ThanhPhamChiTiet_Id = m_grid.DataKeys[id].Value.ToString();
                    objThanhPhamChiTiet.ThanhPham_Id =ThanhPham;
                    objThanhPhamChiTiet.ThietBi_Id = ThietBi;

                    int _result = objThanhPhamChiTiet.Update();
                    if (_result == 1)
                    {
                        ltlAnnouncement.Text = "Sửa thành phẩm chi tiết thành công!";
                    }
                    if (_result < 0)
                    {
                        ltlAnnouncement.Text = "Có lỗi trong quá trình sửa dữ liệu!";
                    }
                }
            }
            catch (Exception ex)
            {
                ltlAnnouncement.Text = "Khong cap nhat duoc du lieu. Vui long lien he voi quan tri<br>" + ex.Message;
            }

            bindData(-1);
        }