C#

private int deadlineCount(DateTime Time, int LeagueID)
        {
            int total = 0;
            string league;
            if (LeagueID == 99)
            {
                league = "";
            }
            else
            {
                league = LeagueID.ToString();
            }



            BS.Filter = string.Format("LeagueID >= '{0}' and LeagueID <= '{0}'and [End] <#12/30/1899 {1}#", league, Time.ToString("h:mm tt"));
            total = BS.Count;
            BS.Filter = "";
            
            return total;
        
        }

private void CalPrice()
       {
           double price = 0.0;
           foreach (DataGridViewRow dgw in dataGridProduct.Rows)
           {
               DataGridViewCheckBoxCell datacell = dgw.Cells[0] as DataGridViewCheckBoxCell;

               try
               {
                   if ((bool)datacell.Value == true)
                   {
                       //MessageBox.Show("" + dgw.ToString());

                       price += Convert.ToDouble(dgw.Cells[6].Value.ToString());

                   }
                   lblTotalPrice.Text = "Total Price : $ " + price;
               }

               catch (Exception exc)
               {
               }
           }
       private void timer1_Tick(object sender, EventArgs e)
       {
           CalPrice();
       }
       }

ImporterCollection importerCollection = new ImporterCollection();

public FormManageImporters()
{
    InitializeComponent();
    LoadImporters();
    SetDataset();
    SetBindings();
}

private void LoadImporters()
{
    importerCollection.FillImporters();
}

private void SetDataset()
{
    listBoxImporters.DataSource = importerCollection;
    listBoxImporters.ValueMember = "ImporterID";
    listBoxImporters.DisplayMember = "ImporterName";
}

private void SetBindings()
{
    textBoxPhone.DataBindings.Add("Text", importerCollection, "Phone");
    textBoxAlternativePhone.DataBindings.Add("Text", importerCollection, "AlternativePhone");
    textBoxCellularPhone.DataBindings.Add("Text", importerCollection, "CellularPhone");
    textBoxFax.DataBindings.Add("Text", importerCollection, "Fax");
}

private void Importer_Changed(object sender, EventArgs e)
{
    LoadImporters();
}

private void buttonAdd_Click(object sender, EventArgs e)
{
    FormImporter formImporter = new FormImporter();
    formImporter.ImporterChanged += new FormImporter.ImporterChangedEventHandler(Importer_Changed);
    formImporter.Show();
}

double price = 0.0;
foreach (DataGridViewRow dgw in dataGridProduct.Rows)
{
    DataGridViewCheckBoxCell datacell = dgw.Cells[0] as DataGridViewCheckBoxCell;

    try
    {
        if ((bool)datacell.Value == true)
        {
            //MessageBox.Show("" + dgw.ToString());

            price += Convert.ToDouble(dgw.Cells[6].Value.ToString());
            lblTotalPrice.Text = "Total Price : $ " + price;
        }
    }
    catch (Exception exc)
    {
    }
}