[mapguide-users] How to Highlight Line Features

[padmini godavarthi]

Hi,
In my table iam not having any primary key columns.

Thanks and Regards,
Padmini




Kenneth Skovhede, GEOGRAF A/S wrote:
> 
> I think your data has broken primary keys (eg. empty strings as primary 
> key).
> 
> Regards, Kenneth Skovhede, GEOGRAF A/S
> 
> 
> 
> padmini godavarthi skrev:
>>
>>   Hi,
>> iam using Mapguide opensource 2.0 (with .net 2.0 +IIS 5.1)
>> Now iam struck up with high lighting line features on the map.
>>
>> my code is as follows:-
>> -------------------------------
>>
>>
>>     Dim fetresource1 As MgResourceIdentifier = New
>> MgResourceIdentifier("Library://WaterNetwork/data/resource.FeatureSource")
>>         Dim nameQuery1 As MgFeatureQueryOptions = New
>> MgFeatureQueryOptions()
>>         Dim val1 As String = "STARTVALVE"
>>         nameQuery1.AddFeatureProperty(val1)
>>               nameQuery1.SetFilter("STARTVALVE ='124'")
>>         Dim layer1 As MgLayer = map.GetLayers().GetItem("waterpipe")
>>         layer1.Selectable = True
>>         Dim featureReader1 As MgFeatureReader =
>> featureService.SelectFeatures(fetresource1, layer1.GetFeatureClassName(),
>> nameQuery1)
>>
>>         Dim selection As MgSelection = New MgSelection(map)
>>         selection.AddFeatures(layer1, featureReader1, 0)
>>         Dim selectXML As String = selection.ToXml()
>>         selection.Save(resourceService, "watermap")
>>         Page.ClientScript.RegisterStartupScript(Page.GetType(), "test",
>> "select('" & selectXML & "')", True)
>>
>>         map.Save(resourceService)
>>
>>         featureReader1.Close()
>> -------------------------------------------------------------------------------------------------
>>
>> function select(val) {
>>      
>>          var selectionXML = val;
>>           parent.parent.SetSelectionXML(selectionXML); 
>>                  alert("Selected");
>>       parent.parent.refresh;
>>          
>>         }
>>
>>
>> but the line  feature is not highlighting ?  but this code works with
>> polygon feature.
>> i  found that in xml 
>>
>>
>> <?xml version="1.0" encoding="UTF-8"?><FeatureSet
>> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>> xsi:noNamespaceSchemaLocation="FeatureSet-1.0.0.xsd"> <Layer
>> id="1f6baf1e-0000-1000-8000-0016e692a356">  <Class
>> id="KingOra:IMCN~GIS_WATERPIPE_DETAILS~SHAPE">   <ID></ID>   <ID></ID> 
>> </Class> </Layer></FeatureSet>
>>
>> ID doesn't came.is there problem with ID?
>>
>> Can u plz tell me the solution?
>>
>> Thanks and Regards,
>> Padmini
>>
>>   
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