well you mean SN="-1" as SN is string i get the value -1 but the feature reader is empty featReader is empy no value there is i use SDE FDO i get value but not with OGR .
tony zspitzer wrote: > > how many records are being returned from the feature reader? > > try setting string SN = '-1' and see what comes out > > On Thu, Aug 14, 2008 at 12:43 PM, Techswami <[EMAIL PROTECTED]> wrote: >> >> >> >> selection does not work. >> using the code bellow i dont get any value for variable "SN" >> please let me know what i am doing wrong . I am using OGR >> >> if ((layer != null) && (layer.GetName() == "main")) >> { >> String layerClassName = >> layer.GetFeatureClassName(); >> String selectString = l_oSel.GenerateFilter(layer, >> layerClassName); >> >> String layerFeatureIdString = >> layer.GetFeatureSourceId(); >> MgResourceIdentifier layerResId = new >> MgResourceIdentifier(layerFeatureIdString); >> >> MgFeatureQueryOptions queryOptions = new >> MgFeatureQueryOptions(); >> queryOptions.SetFilter(selectString); >> featReader = >> l_oFeatureSrvc.SelectFeatures(layerResId, layerClassName, queryOptions); >> >> >> >> >> >> string SN = null; >> while (featReader.ReadNext()) >> { >> SN = featReader.GetString("MATERIAL"); >> >> } >> >> >> >> Response.Write("<div id='box_content_header'>" + >> SN >> + "</div><br />"); >> >> featReader.Close(); >> featReader.Dispose(); >> >> } >> >> >> >> tony >> >> >> Techswami wrote: >>> >>> hi >>> OGR provider works great for ESRI personal geodatabase(.mdbfile) using >>> OGR but if I select any feature then the entire layer can not be viewed >>> in the map. i tried latest patch also . it does the same thing. >>> anyone has a same problem >>> >>> please help >>> >>> tony >>> >>> >> >> -- >> View this message in context: >> http://www.nabble.com/OGR-provider-for-personal-geodatabse-tp18948977p18974886.html >> Sent from the MapGuide Users mailing list archive at Nabble.com. >> >> _______________________________________________ >> mapguide-users mailing list >> mapguide-users@lists.osgeo.org >> http://lists.osgeo.org/mailman/listinfo/mapguide-users >> > > > > -- > Zac Spitzer - > http://zacster.blogspot.com (My Blog) > +61 405 847 168 > _______________________________________________ > mapguide-users mailing list > mapguide-users@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/mapguide-users > > -- View this message in context: http://www.nabble.com/OGR-provider-for-personal-geodatabse-tp18948977p18986678.html Sent from the MapGuide Users mailing list archive at Nabble.com. _______________________________________________ mapguide-users mailing list mapguide-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapguide-users