Символы в DataGridView выводятся цифрами, способы с форму не помогли

class unit {
private:
    string name;
    int type = 0;
    int x_d = 0;
    int y_d = 0;
    int cost = 0;
    int move_cost = 0;
    int attack_cost = 0;
    bool Spec_attack = 0;
    int attack_range = 0;
    char symbol = 'S';
    int kf = 1;
    bool can_move = true;
    bool entrench = 0;
public:
    unit(int tp, int xd, int yd, int cst, int mc, int ac, bool sa, bool entrenc, bool can, int atr, char sm, std::string names) {
        name = names;
        type = tp;
        x_d = xd;
        y_d = yd;
        cost = cst;
        move_cost = mc;
        attack_cost = ac;
        Spec_attack = sa;
        can_move = can;
        entrench = entrenc;
        attack_range = atr;
        symbol = sm;
    };
    bool Can_entrench() {
        return entrench;
    };
    int kfh() {
        return kf;
    };
    bool can_moved() {
        return can_move;
    };
    void Edit_kf(int b) {
        kf = b;
    };
    int desx() { return x_d; };
    int desy() { return y_d; };
    int coste() { return cost; };
    int mvcost() { return move_cost; };
    int atcost() { return attack_cost; };
    bool spatt() { return Spec_attack; };
    char smb() { return symbol; };
    string getName() { return name; };
 
};
 
 
unit FindAsName(string name){
    int i = 0;
 
    while (i < all_lenght) {
        if (all[i].getName() == name) { return all[i]; }
        else { i++; }
 
 
    }
}
 
 
    String^ s = this->listBox1->Text;
    
    std::string unmanaged = msclr::interop::marshal_as<std::string>(s);
 
 
    unit b = FindAsName(unmanaged);
    
    cout << b.getName()<<endl;
 
    if (units[dataGridView1->SelectedCells[0]->RowIndex][dataGridView1->SelectedCells[0]->ColumnIndex] < 1 && territory[dataGridView1->SelectedCells[0]->RowIndex][dataGridView1->SelectedCells[0]->ColumnIndex] == current_player){
        if (current_player == 1 && P1 >= b.coste() || current_player == 2 && P2 >= b.coste()) {
            
                if (current_player == 1) {
                    dataGridView1->CurrentCell->Value = (char)(b.smb());
                    P1= P1 - b.coste();
 
                }
 
                else {
                    dataGridView1->CurrentCell->Value = (char)(b.smb());
                    P1 = P2 - b.coste();
                }
 
                refreshed();
 
                units[dataGridView1->SelectedCells[0]->RowIndex][dataGridView1->SelectedCells[0]->ColumnIndex] = 1;
                unit_id[dataGridView1->SelectedCells[0]->RowIndex][dataGridView1->SelectedCells[0]->ColumnIndex] = current_id;
                current_id++;
                team_unit[dataGridView1->SelectedCells[0]->RowIndex][dataGridView1->SelectedCells[0]->ColumnIndex] = current_player;
 
                map[dataGridView1->SelectedCells[0]->RowIndex][dataGridView1->SelectedCells[0]->ColumnIndex] = b;
 
                
                std::cout << dataGridView1->SelectedCells[0]->RowIndex << endl;
                std::cout << dataGridView1->SelectedCells[0]->ColumnIndex << endl;
            
        }
    }
}

dataGridView1->CurrentCell->Value = (char)(b.smb());

dataGridView1->CurrentCell->Value = gcnew String(b.smb(), 1);

char c = b.smb();
String^ s = gcnew String(&c, 0, 1);
dataGridView1->CurrentCell->Value = s;