private void dataGridView1_CellContentDoubleClick(object sender, DataGridViewCellEventArgs e)
        {
            int         id       = Convert.ToInt32(dataGridView1.CurrentRow.Cells[0].Value);
            frmItemDesc itemDesc = new frmItemDesc(usuario.SelecionarDesc(id));

            itemDesc.ShowDialog();
        }
 private void dataGridView1_CellContentDoubleClick(object sender, DataGridViewCellEventArgs e)
 {
     int id = Convert.ToInt32(dataGridView1.CurrentRow.Cells[0].Value);
     frmItemDesc itemDesc = new frmItemDesc(usuario.SelecionarDesc(id));
     itemDesc.ShowDialog();
 }