private void BTN_RegNFe_Click(object sender, EventArgs e)
        {
            bool returns = false;

            if (!Int32.TryParse(TXT_Numero_NFe.Text, out int valor))
            {
                TXT_Numero_NFe.BackColor = Color.OrangeRed;
                TXT_Numero_NFe.Focus();
                returns = true;
            }
            if (!Int32.TryParse(TXT_Serie_NFe.Text, out valor))
            {
                TXT_Serie_NFe.BackColor = Color.OrangeRed;
                TXT_Serie_NFe.Focus();
                returns = true;
            }
            if (!decimal.TryParse(TXT_Valor.Text.Replace("$", "").Replace("R", "").Replace("€", "").Replace(" ", ""), out decimal v2))
            {
                TXT_Valor.BackColor = Color.OrangeRed;
                TXT_Valor.Focus();
                returns = true;
            }
            if (TXT_CNPJ_Selected.Text.Replace(".", "").Replace("/", "").Replace("-", "").Replace(" ", "") == "")
            {
                TXT_CNPJ_Selected.BackColor = Color.OrangeRed;
                TXT_CNPJ_Selected.Focus();
                returns = true;
            }
            if (returns)
            {
                return;
            }

            numberNFe = Convert.ToInt32(TXT_Numero_NFe.Text.ToString());
            seriesNFe = Convert.ToInt32(TXT_Serie_NFe.Text.ToString());

            valueNFe        = decimal.Parse(TXT_Valor.Text.ToString().Replace("$", "").Replace("R", "").Replace("€", "").Replace(" ", ""));
            emissionDateNFe = Convert.ToDateTime(DT_Data_Emissão.Value);

            providerCNPJ = TXT_CNPJ_Selected.Text.ToString().Replace(".", "").Replace(",", "").Replace("/", "").Replace("-", "").Replace(" ", "");

            if (isNew)
            {
                nfeId = dadosNFes.Insere_NFe(seriesNFe, numberNFe, emissionDateNFe, valueNFe, providerID);
            }
            else if (!isNew)
            {
                dadosNFes.EditaNFe(seriesNFe, numberNFe, emissionDateNFe, valueNFe, nfeId, providerID);
            }
            BTN_RegNFe.Enabled = false;
            isNew = false;

            DesabilitaCamposNFe();
            GB_Add_Itens_NFe.Enabled = true;

            TXT_Nome_Produto.Focus();
        }
        private void BTN_SelecionaForn_Click(object sender, EventArgs e)
        {
            GB_Busca_CNPJ_Forn.Visible = false;
            providerCNPJ = listCNPJ.Text.ToString();

            TXT_CNPJ_Selected.Text = providerCNPJ.Split('-')[0];

            GB_Busca_CNPJ_Forn.Visible = false;
            BTN_SelecionaForn.Enabled  = false;
            BTN_RegNFe.Enabled         = true;
            TXT_CNPJ_Selected.Focus();
        }