protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (Request.QueryString["province"] != null && Request.QueryString["city"] != null)
{
Bll.SupplierBll sb = new Bll.SupplierBll();
DataTable dt = sb.GetAny("select * from tab_suppliers where province like N'" + Request.QueryString["province"] + "' and city like N'" + Request.QueryString["city"] + "'");
GMap1.Add(new GControl(GControl.preBuilt.GOverviewMapControl));
GMap1.Add(new GControl(GControl.preBuilt.LargeMapControl));
GMarker marker;
GInfoWindow window;
double lat, lng, clat = 0.0, clng = 0.0;
foreach (DataRow dr in dt.Rows)
{
lat = Convert.ToDouble(dr["lat"]);
lng = Convert.ToDouble(dr["lng"]);
clat += lat;
clng += lng;
marker = new GMarker(new GLatLng(lat, lng));
window = new GInfoWindow(marker, "<center><b>" + dr["supplier"].ToString() + "</b><br />" + dr["branch"].ToString() + "</center>", false);
GMap1.Add(window);
}
clat /= dt.Rows.Count;
clng /= dt.Rows.Count;
GMap1.enableHookMouseWheelToZoom = true;
GMap1.setCenter(new GLatLng(clat, clng), 12);
}
}
}
