[mapguide-users] Newbie needs help with project to query web -Thanks Kenneth, GEOGRAF one more question please?

Mon May 5 02:08:47 EDT 2008

I belive you must call Save on either the Selection or the Runtime map 
(can't remember which).

Regards, Kenneth, GEOGRAF A/S

Nick Aizen skrev:
>
> You’re idea helped me get over one obstacle, but I now seem to have 
> one more. Below is my code from Deafult.aspx.
>
>  
>
> <%@ Page Language="c#" Debug="true"  %>
>
> <%@ Import Namespace="OSGeo.MapGuide" %>
>
> <%@ Import Namespace="System" %>
>
> <%@ Import Namespace="System.Text" %>
>
> <%@ Import Namespace="System.IO" %>
>
> <%@ Import Namespace="System.Collections.Specialized" %>
>
>  
>
>  
>
> <%
>
>  
>
> MapGuideApi.MgInitializeWebTier(@"C:\Program 
> Files\Autodesk\MapGuideEnterprise2008\WebServerExtensions\www\webconfig.ini");
>
> MgUserInformation userInfo = new MgUserInformation("Administrator", 
> "admin");
>
> MgSite site = new MgSite();
>
> site.Open(userInfo);
>
> String sessionId = site.CreateSession();
>
> String webLayout = "Library://DevTV/HelloWorld.WebLayout";
>
> Globals.gSessionID = sessionId; //Holds my session ID value
>
>  
>
> %>
>
>  
>
> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
> "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
>
> <html>
>
> <body>
>
> <iframe id="viewerFrame"  width="100%" height="1000px" 
> src="/mapguide2008/mapviewernet/ajaxviewer.aspx?SESSION=<%=sessionId%>&WEBLAYOUT=<%=webLayout%>"onload="OnMapLoaded()"></></iframe>
>
> <iframe style="display: none" src="" id="maploaded""></iframe>
>
> <script>
>
> function OnMapLoaded()
>
> {
>
>    document.getElementById('maploaded').src = 'maploaded.aspx';
>
> }
>
> </script> 
>
> </body>
>
> </html>
>
>  
>
>  
>
> Code in maploaded.aspx
>
>  
>
> <%@ Page Language="C#" %>
>
> <%@ Import Namespace="OSGeo.MapGuide" %>
>
>  
>
> <script runat="server">
>
>     MgGeometry getGeometry(String district, MgFeatureService 
> featureService)
>
>     {
>
>         MgFeatureQueryOptions districtQuery = new MgFeatureQueryOptions();
>
>         districtQuery.SetFilter("Autogenerated_SDF_ID = " + district);
>
>         MgResourceIdentifier districtId = new 
> MgResourceIdentifier("Library://Samples/Sheboygan/Data/VotingDistricts.FeatureSource");
>
>         MgFeatureReader featureReader = 
> featureService.SelectFeatures(districtId, "VotingDistricts", 
> districtQuery);
>
>         featureReader.ReadNext();
>
>         MgByteReader geometryBytes = featureReader.GetGeometry("Data");
>
>         MgAgfReaderWriter agfReader = new MgAgfReaderWriter();
>
>         MgGeometry districtGeometry = agfReader.Read(geometryBytes);
>
>         return districtGeometry;
>
>     }
>
> </script>
>
>  
>
> <%
>
>     String sessionId = Globals.gSessionID; //Global from Default.aspx
>
>     String district = "3";
>
>     String name = "ELSO";
>
>  
>
>     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, "Sheboygan");
>
>    
>
>     //Get Geometry object: districtGeometry
>
>     MgGeometry districtGeometry = getGeometry(district, featureService);
>
>     MgFeatureQueryOptions nameQuery = new MgFeatureQueryOptions();
>
>     nameQuery.SetFilter("RNAME LIKE '" + name + "%'");
>
>     nameQuery.SetSpatialFilter("SHPGEOM", districtGeometry, 
> MgFeatureSpatialOperations.Inside);
>
>     MgResourceIdentifier parcelId = new 
> MgResourceIdentifier("Library://Samples/Sheboygan/Data/Parcels.FeatureSource");
>
>     MgFeatureReader featureReader = 
> featureService.SelectFeatures(parcelId, "Parcels", nameQuery);
>
>     //Highlight the query result on the map
>
>     MgSelection selection = new MgSelection(map);
>
>     MgLayer layer = (MgLayer)map.GetLayers().GetItem("Parcels");
>
>     featureReader = featureService.SelectFeatures(parcelId, "Parcels", 
> nameQuery);
>
>     selection.AddFeatures(layer, featureReader, 0);
>
>     String selectionXML = selection.ToXml();
>
>   
>
> %>
>
>  
>
> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
> "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
>
> <html xmlns="http://www.w3.org/1999/xhtml" >
>
> <head runat="server">
>
>     <title>Untitled Page</title>
>
> </head>
>
> <script type="text/javascript">
>
>         function onPageLoad() {
>
>             var selectionXML = '<%= selectionXML %>';
>
>             parent.SetSelectionXML(selectionXML);
>
>         }
>
>     </script>
>
> </html>
>
>  
>
>  
>
> When the map comes up, nothing is selected…..you’ve been such a “HUGE” 
> help, could you review what I have and give me you opinion please…many 
> thanks.
>
>  
>
>  
>
> *Nick Aizen*
>
>  
>
>  
>
>  
>
> ------------------------------------------------------------------------
>
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>   
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