public static void AddNewRating(DeliveryBoyRating deliveryBoyRating)
{
StreamWriter streamWriter = new StreamWriter("deliveryBoyRatings.txt", true);
streamWriter.WriteLine(deliveryBoyRating.DeliveryBoy + ", " + deliveryBoyRating.Rating.ToString());
streamWriter.Close();
}
public static List <DeliveryBoyRating> GetRatings()
{
List <DeliveryBoyRating> ratings = new List <DeliveryBoyRating>();
StreamReader streamReader = new StreamReader("deliveryBoyRatings.txt");
while (true)
{
string line = streamReader.ReadLine();
if (line != null)
{
DeliveryBoyRating deliveryBoyRating = new DeliveryBoyRating()
{
DeliveryBoy = line.Split(',')[0].Trim(),
Rating = Convert.ToDecimal(line.Split(',')[1].Trim()),
};
ratings.Add(deliveryBoyRating);
}
else
{
break;
}
}
streamReader.Close();
return(ratings);
}
private void btnAddRating_Click(object sender, EventArgs e)
{
if (cboDeliveryBoy.SelectedItem != null)
{
DeliveryBoyRating deliveryBoyRating = new DeliveryBoyRating()
{
DeliveryBoy = cboDeliveryBoy.SelectedItem.ToString(),
Rating = numRating.Value
};
DeliveryBoyRatingService.AddNewRating(deliveryBoyRating);
ratingsDataGridView.DataSource = null;
ratingsDataGridView.DataSource = DeliveryBoyRatingService.GetRatings();
ratingsDataGridView.Refresh();
MessageBox.Show("Rating is successfully added.", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("Delivery boy is not selected.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
