private void dataGridViewANC_CellClick(object sender, DataGridViewCellEventArgs e)
{
CheckAndAddCustomerData.Enabled = true;
CheckAndAddВookingData.Enabled = true;
selectedNumberOfApartments = ElementsSettings.SelectNumberOfSelectedApartments(dataGridViewANC, e);
if (textBox13.Text != "" && textBox14.Text != "" && ancSettlingDateTimePicker.Value < ancEvictionDateTimePicker.Value)
{
TimeSpan ts = ancEvictionDateTimePicker.Value - ancSettlingDateTimePicker.Value;
resultPriceTextBox.Text = ((ts.Days + 1) * ElementsSettings.SelectPriceOfSelectedApartments(dataGridViewANC, e) * (Convert.ToInt32(textBox13.Text) - Convert.ToInt32(textBox14.Text)) + (ts.Days + 1) * Convert.ToInt32(textBox14.Text) * (ElementsSettings.SelectPriceOfSelectedApartments(dataGridViewANC, e) - (ElementsSettings.SelectPriceOfSelectedApartments(dataGridViewANC, e) / 100 * Convert.ToInt32(discountTextBox.Text)))).ToString();
}
else
{
resultPriceTextBox.Text = "<некорректные данные>";
}
}