private void textBox5_TextChanged(object sender, EventArgs e) { string campo = "Nombre"; DAO.AviosDAO aviosdao = new GrupoSM_Recepcion.DAO.AviosDAO(); DataView dv; dv = new DataView(aviosdao.devuelvealmacenavio()); dv.RowFilter = campo + " like '%" + textBox5.Text + "%'"; dataGridView2.DataSource = dv; }