[mapguide-users] Re: Mapguide beta 2.4: AjaxViewer SetSelectionXML() seems not working

[Franz1965]

Just a note to tell that I've also tried to modifiy Task.aspx.cs to get and
use original session id without creating a new one. Also in that case it
does not work.

The code is here:

----------------------------------------------------------------------------------------------------------
* Task.aspx*
----------------------------------------------------------------------------------------------------------

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text;
using OSGeo.MapGuide;

namespace MapGuideSample
{
    public partial class Task : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void Button1_Click(object sender, EventArgs e)
        {            
            string mapName =
@"Library://TBDemoMesoccoCan/Default.MapDefinition";
            string layerName = "Collettore";
            string queryString = "FID = 19216";

            try
            {
                //init MG
               
OSGeo.MapGuide.MapGuideApi.MgInitializeWebTier(@"C:\trash\MapGuideSample\MapGuideSample\webconfig.ini");
               
                //open connection
                *string mapguideSessionId =
Request.QueryString.Get("SESSION");*                
                MgSiteConnection siteConnection = new MgSiteConnection();
                *MgUserInformation userInfo = new
MgUserInformation(mapguideSessionId);*
                siteConnection.Open(userInfo);


                MgResourceService resService =
(MgResourceService)siteConnection.CreateService(MgServiceType.ResourceService);
                MgFeatureService featureService =
(MgFeatureService)siteConnection.CreateService(MgServiceType.FeatureService);

                MgMap map = new MgMap();                
                *map.Open(resService, "Default");*                
                //get layer res id
                MgLayer layer = (MgLayer)map.GetLayers().GetItem(layerName);                
                MgResourceIdentifier resId = new
MgResourceIdentifier(layer.GetFeatureSourceId());

                //build query option
                MgFeatureQueryOptions queryOption = new
MgFeatureQueryOptions();
                queryOption.SetFilter(queryString);

                //get selection
                MgFeatureReader featureReader =
featureService.SelectFeatures(resId, layer.GetFeatureClassName(),
queryOption);
                MgSelection selection = new MgSelection(map);
                selection.AddFeatures(layer, featureReader, 0);

                //get XML from selection
                string selectionXML = selection.ToXml();

                //get center
                double selectionCenterX =
selection.GetExtents(featureService).GetLowerLeftCoordinate().GetX() +
selection.GetExtents(featureService).GetWidth() / 2;
                double selectionCenterY =
selection.GetExtents(featureService).GetLowerLeftCoordinate().GetY() +
selection.GetExtents(featureService).GetHeight() / 2;

                //build javascript
                StringBuilder onLoadJScript = new StringBuilder();
                onLoadJScript.Append("                                                                                          
");

                //execute javascript
                ClientScript.RegisterStartupScript(this.GetType(),
"StartupScript", onLoadJScript.ToString());

            }
            catch (Exception ex)
            {
                Response.Write(ex.Message);
            }
        }
    }
}

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