private void button2_Click(object sender, EventArgs e)
        {
            DataSet102ATableAdapters.ContribuyenteTableAdapter cn = new DataSet102ATableAdapters.ContribuyenteTableAdapter();
            cn.UpdateSaldoTributario(total, Convert.ToInt32(lbId3.Text));
            Form106 fr = new Form106();

            fr.Show();
            this.Hide();
        }
 private void Form106_Load(object sender, EventArgs e)
 {
     ObtenerId();
     DataSet102ATableAdapters.ContribuyenteTableAdapter ta = new DataSet102ATableAdapters.ContribuyenteTableAdapter();
     DataSet102A.ContribuyenteDataTable dt  = ta.GetDatosContr(Convert.ToInt32(lbId4.Text));
     DataSet102A.ContribuyenteRow       row = (DataSet102A.ContribuyenteRow)dt.Rows[0];
     txtRazon.Text    = (row.Nombre.ToString());
     txtRuc.Text      = (row.RUC.ToString());
     txtImpuesto.Text = (row.Saldo_Tributario.ToString());
     txtCodImp.Text   = row.id_contribuyente.ToString();
 }
        private void button4_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(txtRazonSocial.Text) || string.IsNullOrEmpty(txtRUC.Text))
            {
                MessageBox.Show("por favor ingrese la razón Social y el RUC");
                return;
            }

            DataSet102ATableAdapters.ContribuyenteTableAdapter ta = new DataSet102ATableAdapters.ContribuyenteTableAdapter();
            ta.InsertContribuyente(txtRUC.Text.Trim(), txtRazonSocial.Text.Trim());
        }