protected void btnByDate_Click(object sender, EventArgs e)
{
if ((Page.IsValid) && (txtStartDate.Text + txtStartDate.Text != ""))
{
string stDate = txtStartDate.Text;
string endDate = txtEndDate.Text;
grid.DataSource = OrderAccess.GetOrdersByDate(stDate, endDate);
}
else
{
lblStatus.Text = "Lütfen İşleminizi Kontrol Ediniz!";
} grid.DataBind();
}