private void barButtonItem6_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            FormCadBoletos cad = new FormCadBoletos();

            cad.ShowDialog();
        }
 private void button4_Click(object sender, EventArgs e)
 {
     FormCadBoletos cad = new FormCadBoletos();
     cad.ShowDialog();
 }
        private void button4_Click(object sender, EventArgs e)
        {
            FormCadBoletos cad = new FormCadBoletos();

            cad.ShowDialog();
        }
 private void barButtonItem6_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
 {
     FormCadBoletos cad = new FormCadBoletos();
     cad.ShowDialog();
 }