public void IngresarMaterialesConversion(EntityConnectionStringBuilder connection, MaterialesConversion mc)
        {
            var context = new samEntities(connection.ToString());

            context.INSERT_materiales_conversion_ventas_MDL(mc.MATNR,
                                                            mc.UMREZ,
                                                            mc.MEINS,
                                                            mc.UMREN,
                                                            mc.BSTME,
                                                            mc.LVORM,
                                                            mc.VRKME);
        }
        public void EliminarConversiones(EntityConnectionStringBuilder connection, MaterialesConversion mc)
        {
            var context = new samEntities(connection.ToString());

            context.DELETE_materiales_conversion_ventas_MDL(mc.MATNR);
        }