private void buttonMake_Click(object sender, EventArgs e) { try { var dict = logic.GetStudent(); if (dict != null) { dataGridView.Rows.Clear(); foreach (var date in dict) { dataGridView.Rows.Add(new object[] { "", date.StudentName, date.NapravlenieName, date.Number, date.Kurs }); } } } catch (Exception ex) { MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error); } }