for each (Tenants^ t in tenants)
	{
		DataGridViewRow^ row = gcnew DataGridViewRow();
		row->CreateCells(dataGridView1);
		row->Cells[0]->Value = t->companyName;
		row->Cells[1]->Value = t->roomNr;
		row->Cells[2]->Value = t->start;
		row->Cells[3]->Value = t->end;
		row->Cells[4]->Value = t->rentPrice;
		row->Cells[5]->Value = t->paymentType;

		dataGridView1->Rows->Add(row);
	}
	int k = tenants->Count;
	std::cout << k << std::endl;