private void guna2GradientBtnModifierVersement_Click(object sender, EventArgs e)
 {
     if (guna2DataGridViewVersement.SelectedRows.Count > 0)
     {
         for (int i = 0; i < guna2DataGridViewVersement.SelectedRows.Count; i++)
         {
             Form f = new FrmEnregistrerVersement
                      (
                 guna2DataGridViewVersement.SelectedRows[i].DataBoundItem as Caisse,
                 loadData
                      );
             f.ShowDialog();
         }
     }
 }
        private void guna2GradientBtnNouveau_Click(object sender, EventArgs e)
        {
            Form f = new FrmEnregistrerVersement(loadData);

            f.Show();
        }