protected void searchButton_Click(object sender, EventArgs e)
{
string fromDate = fromDayDropDownList.SelectedValue + "/" + fromMonthDropDownList.SelectedValue + "/" + fromYearDropDownList.SelectedValue;
DateTime fromDateTime = Convert.ToDateTime(fromDate);
string toDate = toDayDropDownList.SelectedValue + "/" + toMonthDropDownList.SelectedValue + "/" + toYearDropDownList.SelectedValue;
DateTime toDateTime = Convert.ToDateTime(toDate);
int result = DateTime.Compare(fromDateTime, toDateTime);
if (result <= 0)
{
viewSalesGridView.DataSource = aStockOutManager.GetAllSalesBetweenDates(fromDateTime.ToString("yyyy-MM-dd"),
toDateTime.ToString("yyyy-MM-dd"));
viewSalesGridView.DataBind();
}
else
{
messageLabel.Text = "No sales record found";
}
}