public void RemplirGrid()
{
OleDbDataReader dr = service.AffichageListeCompany();
System.Data.DataTable dt = new System.Data.DataTable();
dt.Load(dr);
foreach (System.Data.DataRow row in dt.Rows)
{
dataGridView1.Rows.Add(row["Num"].ToString(), row["NomSoc"].ToString(),
row["CodeSoc"].ToString());
}
}