private void cbxLocalidad_SelectionChangeCommitted(object sender, EventArgs e) { try { cbxColonia.DataSource = personalcontroller.comboBoxColonias(Convert.ToInt64(cbxLocalidad.SelectedValue.ToString())); cbxColonia.DisplayMember = "col_nombrecolonia"; cbxColonia.ValueMember = "col_id"; cbxColonia.SelectedIndex = -1; if (cbxColonia.Items.Count == 0) { cbxColonia.Enabled = false; } else { cbxColonia.Enabled = true; } } catch (Exception ex) { MessageBox.Show("Error: " + ex, "Aviso", MessageBoxButtons.OK, MessageBoxIcon.Error); } }