public FormAboutCar(string curRow) { InitializeComponent(); db = new ClassDB(); dataGridView1.ColumnCount = 3; dataGridView1.Columns[0].HeaderCell.Value = "id"; dataGridView1.Columns[1].HeaderCell.Value = "Модель"; dataGridView1.Columns[2].HeaderCell.Value = "Марка"; db.ShowInfoCar("id_client", dataGridView1, curRow); }