//Client

        public void Afficher_Client(TransparentGrid grid)
        {
            cmd = new SqlCommand("SELECT code,nom,prenom,portable,tele,fax,ice,IFClient,email,adresse,ville,pays," +
                                 "respo_nom,type_societe,registre,patente,RS FROM infoClients", conn);
            adapt = new SqlDataAdapter(cmd);
            ds    = new DataSet();
            adapt.Fill(ds);
            grid.DataSource = ds.Tables[0];
        }
        public void Afficher_Client_ParFiltre(TransparentGrid grid, string ville)
        {
            cmd = new SqlCommand("SELECT code,nom,prenom,portable,tele,fax,ice,IFClient,email,adresse,ville,pays," +
                                 "respo_nom,type_societe,registre,patente,RS FROM infoClients where ville = @ville", conn);
            cmd.Parameters.AddWithValue("@ville", ville);
            adapt = new SqlDataAdapter(cmd);
            cmd.ExecuteNonQuery();

            ds = new DataSet();
            adapt.Fill(ds);
            grid.DataSource = ds.Tables[0];
            cmd.Parameters.Clear();
        }