[mapguide-users] Zoom To Selection

[Nisha P]

Hi Padmini..
   In which file u wrote this code?or is it an in-built file?

On Thu, Dec 18, 2008 at 3:52 PM, padmini godavarthi <
godavarthi.padmini at gmail.com> wrote:

>
>
> Hi,
> Iam using Mapguide Opensource 2.0 (with .net 2.0 +IIS 5.1)
>
> I want to query the parcel_id and zoomed it on the map
>
> may code is
>
>
>       NameValueCollection serverVars = Request.ServerVariables;
>       String strServerVars = "";
>       foreach (String str in serverVars.AllKeys)
>       {
>
>           strServerVars += "<br>" + str;
>
>       }
>       String platform = serverVars["SERVER_SOFTWARE"];
>       String queryStr = serverVars["QUERY_STRING"];
>       string queryStr1 = serverVars["Form"];
>       NameValueCollection requestParams = Request.HttpMethod == "POST" ?
> Request.Form : Request.QueryString;
>       String sessionId = Request.QueryString["SESSION"];
>       //String sessionId = Request.QueryString["SESSION"]; ;
>
>       string realPath = Request.ServerVariables["APPL_PHYSICAL_PATH"];
>       String configPath = realPath + "webconfig.ini";
>       MapGuideApi.MgInitializeWebTier(configPath);
>
>       MgUserInformation userInfo = new MgUserInformation(sessionId);
>
>       MgSiteConnection siteConnection = new MgSiteConnection();
>       siteConnection.Open(userInfo);
>
>       MgResourceService resService =
>
> (MgResourceService)siteConnection.CreateService(MgServiceType.ResourceService);
>       MgFeatureService featureService =
>
> (MgFeatureService)siteConnection.CreateService(MgServiceType.FeatureService);
>
>       MgMap map = new MgMap();
>       map.Open(resService, "oramap");
>
>
>       MgFeatureQueryOptions nameQuery = new MgFeatureQueryOptions();
>
> //nameQuery.SetFilter(ConfigurationManager.AppSettings["FieldToFilter"] +
> "=" + Globals.gURLParam);
>       nameQuery.SetFilter("PARCEL_ID" + "=" + "670_111");
>       MgResourceIdentifier parcelId = new
> MgResourceIdentifier("Library://Orasample/resora.FeatureSource");
>       MgFeatureReader featureReader =
> featureService.SelectFeatures(parcelId, "GEOM_TABLE", nameQuery);
>
>       //Highlight the query result on the map
>       MgSelection selection = new MgSelection(map);
>       MgLayer layer = (MgLayer)map.GetLayers().GetItem("GEOM_TABLE");
>
>
>       featureReader = featureService.SelectFeatures(parcelId,
> "GEOM_TABLE", nameQuery);
>       selection.AddFeatures(layer, featureReader, 0);
>     String selectXML = selection.ToXml();
>       selection.Save(resService, "oramap");
>       Page.ClientScript.RegisterStartupScript(Page.GetType(), "test",
> "select('" + selectXML + "');", true);
> }
>
> but i got an error at
>
>  MgFeatureReader featureReader = featureService.SelectFeatures(parcelId,
> "GEOM_TABLE", nameQuery);
>
>
> 1)can u plz tell me what do u man by faeture class name?
> from where i will gt it?
>
> Thanks and Regards,
> Padmini.
> --
> View this message in context:
> http://www.nabble.com/Zoom-To-Selection-tp21070073p21070073.html
> Sent from the MapGuide Users mailing list archive at Nabble.com.
>
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>



-- 
Nisha P
IIITM-K
nisha at iiitmk.ac.in
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