private void buttonMake_Click(object sender, EventArgs e) { if (dateTimePickerFrom.Value.Date >= dateTimePickerTo.Value.Date) { MessageBox.Show("Дата справа должна быть больше =)", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } var list = logic.GetAccountingInfo(new ReportBindingModel { DateFrom = dateTimePickerFrom.Value, DateTo = dateTimePickerTo.Value }); if (list == null) { return; } dataGridView.DataSource = list; dataGridView.Columns[0].Visible = false; dataGridView.Columns[1].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill; }