private void BtnAjouter_Click(object sender, EventArgs e)
 {
     FormArticle frm = new FormArticle();
     frm.Show();
     frm.FormClosing += Frm_FormClosing;
     this.Enabled = false;
 }
 private void BtnModifier_Click(object sender, EventArgs e)
 {
     if (this.DGVArticles.RowCount != 0)
     {
         Article a = this.GetArticleFromDGV(this.DGVArticles.SelectedRows[0]);
         FormArticle frm = new FormArticle(a, "MODIFICATION");
         if(frm.ShowDialog()==DialogResult.OK)
             this.BindDataToDGV();
     }
     else
         MessageBox.Show("Prière de sélectionner l'article à Modifier");
 }