protected void searchButton_Click(object sender, EventArgs e)
{
try
{
//Get the latitude and longitude from the given zipcode
Assignment5ServiceRefs.Service1Client serviceRefs = new Assignment5ServiceRefs.Service1Client();
String zipCode = zipCodeTB.Text;
String[] latLong = serviceRefs.getLatLong(zipCode);
if (latLong[0].Equals("false"))
{
LibrariesLabel.Text = "Invalid Zipcode";
}
else
{
//Get the place id of athe nearby libraries
String locationIdQuery = "https://maps.googleapis.com/maps/api/place/nearbysearch/json?location=" + latLong[0] + "," + latLong[1] + "&type=library&rankby=distance&key=" + API_KEY;
//Create a web client for the http get operation
WebClient client = new WebClient();
//Get the result in JSON format
string response = client.DownloadString(locationIdQuery);
StringBuilder addsb = new StringBuilder();
dynamic jsonReader = JObject.Parse(response);
int length = jsonReader.results.Count < 5 ? jsonReader.results.Count : 5;
//If the count is zero, theer are no libraries in the vicinity
if (length == 0)
{
LibrariesLabel.Text = "No Libraries within 30 miles.";
}
else
{
for (int i = 0; i < length; i++)
{
//Get the store id from the JSON
String placeId = jsonReader.results[i].place_id;
//Construct a query to obtain the address from the place id
string addressQuery = "https://maps.googleapis.com/maps/api/place/details/json?placeid=" + placeId + "&key=" + API_KEY;
//Get the address in JSON format
string addResponse = client.DownloadString(addressQuery);
dynamic addJson = JObject.Parse(addResponse);
String libraryName = jsonReader.results[i].name;
addsb.Append(libraryName);
addsb.Append(",");
addsb.Append(addJson.result.adr_address);
addsb.Append("<br/><br/>");
}
LibrariesLabel.Text = addsb.ToString();
}
}
}
catch (Exception exc)
{
LibrariesLabel.Text = exc.Message;
}
}
