protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
{
string maNXB = GridView1.SelectedRow.Cells[0].Text;
nxb = cn.GetNhaXuatBanByID(maNXB);
if (nxb != null)
{
txtMaNhaXuatBan.Text = nxb.MaNhaXuatBan;
txtTenNhaXuatBan.Text = nxb.TenNhaXuatBan;
txtDiaChi.Text = nxb.DiaChi;
txtSoDienThoai.Text = nxb.SoDienThoai;
}
;
}