public static BDHelper getBDHelper()
{
if (instance == null)
{
instance = new BDHelper();
}
return(instance);
}
private void frmCliente_Load(object sender, EventArgs e)
{
llenarCombo(cmbTipoDni, BDHelper.getBDHelper().ConsultaSQL("SELECT * FROM TipoDni WHERE idTipoDni >= 1"), "descripcion", "idTipoDni");
btnEliminar.Enabled = false;
btnModificar.Enabled = false;
}