private void ballButton_Click(object sender, EventArgs e)
{
BLL bll = new BLL();
dataGrid.Columns.Clear();
//Get selected balls statistics
dataGrid.DataSource = bll.GetBallStats(ballsComboBox.SelectedItem.ToString());
//Calculate total amount of draw for one ball
int sum = 0;
for (int i = 0; i < dataGrid.Rows.Count - 1; i++)
{
sum += (int)dataGrid[dataGrid.Columns[ballsComboBox.SelectedItem.ToString() + "SAYI"].Index, i].Value;
}
//Add a new column with a name that depending on ball
dataGrid.Columns.Add(ballsComboBox.SelectedItem.ToString() + "ratio", ballsComboBox.SelectedItem.ToString() + "%");
//Add the show ratios for each number on the ball
for (int i = 0; i < dataGrid.Rows.Count - 1; i++)
{
dataGrid[ballsComboBox.SelectedItem.ToString() + "ratio", i].Value = Convert.ToDouble(dataGrid[dataGrid.Columns[ballsComboBox.SelectedItem.ToString() + "ratio"].Index - 1, i].Value) * 100 / sum;
}
}
