private void btnSaveChanges_Click(object sender, EventArgs e)
        {
            if (!filledValues())
            {
                //MessageBox.Show("Complete la información");
            }
            else
            {
                serviceDA                     = new DBControllerWSClient();
                currentSupplier.RUC           = txtRuc.Text;
                currentSupplier.name          = txtNombre.Text;
                currentSupplier.address       = txtDireccion.Text;
                currentSupplier.bankData      = txtCuenta.Text;
                currentSupplier.contactPhone  = txtTelefono.Text;
                currentSupplier.contactEmail  = txtEmail.Text;
                currentSupplier.contactPerson = txtPersonaContacto.Text;
                currentSupplier.supplierCode  = txtCodProv.Text;
                currentSupplier.termOfSale    = txtTerminoVenta.Text;
                currentSupplier.state         = cbActive.Checked ? 1 : 0;

                serviceDA.updateSupplier(currentSupplier);
                MessageBox.Show("El proveedor se modificó satisfactoriamente");
                this.Close();
            }
        }