public void cargarColor(ComboBox comboBox1)
{
comboBox1.ToString();
CDConexion conexion = new CDConexion();
DataTable dt = new DataTable();
using (conexion.AbrirConexion())
{
string query = "select * from coloresBuses order by color";
SqlCommand cmd = new SqlCommand(query, conexion.AbrirConexion());
SqlDataAdapter da = new SqlDataAdapter(cmd);
da.Fill(dt);
}
comboBox1.DisplayMember = "color";
comboBox1.ValueMember = "id";
comboBox1.DataSource = dt;
conexion.CerrarConexion();
}