private void btSearch_Click(object sender, EventArgs e) { using (frmSearchUser frmSearch = new frmSearchUser()) { if (frmSearch.ShowDialog() == DialogResult.OK) { dataUser.DataSource = (from u in ListController.GetListSearch(frmSearch.tbUserName.Text) select new { u.FullName, u.UserName, u.BirthDay, u.Email, u.Phone }).ToList(); } } }