protected void btn_InvokeAQS_Click(object sender, EventArgs e)
 {
     try
     {
         locationBasedServices.Service1Client lsPxy = new locationBasedServices.Service1Client();
         decimal lattitude = Convert.ToDecimal(txtInputLattitude.Text);
         decimal longitude = Convert.ToDecimal(txtInputLongitude.Text);
         lblAirQuality.Text = lsPxy.airQuality(lattitude, longitude);
     }
     catch (Exception em)
     {
         lblAirQuality.Text = em.Message.ToString();
     }
 }
 protected void airQuality_Click(object sender, EventArgs e)
 {
     output.Text = "";
     try
     {
         locationBasedServices.Service1Client lPxy = new locationBasedServices.Service1Client();
         decimal lat = Convert.ToDecimal(Session["lat"].ToString());
         decimal lng = Convert.ToDecimal(Session["lng"].ToString());
         string  op  = lPxy.airQuality(lat, lng);
         output.Text = "The Air Quality index and status is => " + op;
     }
     catch (Exception em)
     {
         output.Text = em.Message;
     }
 }