/* Domain Logic Functions*/
public double AverageSalary()
{
TableData = _dataGateway.Find();
double SalarySum = 0;
foreach (DataRow row in this.TableData.Rows)
{
SalarySum += Double.Parse(row[4].ToString());
}
return(SalarySum / TableData.Rows.Count);
}
private void button4_Click(object sender, EventArgs e)
{
CustomerTableModule CustomerModule = new CustomerTableModule(CustomerTableGateway.Find());
lblAvgSalary.Text = CustomerModule.AverageSalary().ToString();
}
