protected void btn_ok_Click(object sender, EventArgs e)
{
Delivery Adddeli = new Delivery();
int deliId = int.Parse(txt_del_id.Text);
string date = txt_date.Text;
string time = txt_time.Text;
string location = txt_location.Text;
int salesId = int.Parse(txt_sales_id.Text);
int branchId = int.Parse(txt_br_id.Text);
int driverId = int.Parse(txt_dr_id.Text);
Adddeli.AddDelivery(deliId, date, time, location, salesId, branchId, driverId);
Response.Write("<script>alert('Success ');</script>");
}