[mapguide-users] How to Highlight Line Features

[Kenneth Skovhede, GEOGRAF A/S]

It is not enough that it has unique values, there must be a primary key 
defined.
Since you are using Oracle, the key must be defined on the Oracle table.
IIRC, the primary key must also be of type integer.

Regards, Kenneth Skovhede, GEOGRAF A/S



padmini godavarthi skrev:
> Hi,
> In my table STARTVALVE has unique valves .By using that "STARTVALVE"
> property iam trying for selection .
>
>
> Regards,
> Padmini.
>  
>
> Kenneth Skovhede, GEOGRAF A/S wrote:
>   
>> You cannot use selection if the table does not have unique primary keys.
>>
>> Regards, Kenneth Skovhede, GEOGRAF A/S
>>
>>
>>
>> padmini godavarthi skrev:
>>     
>>> 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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>>>>
>>>>
>>>>     
>>>>         
>>>   
>>>       
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>>     
>
>   
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