[mapguide-users] C# -Dynamically Adding New Fields To Existing Layer

[Jackie Ng]

You are doing what is essentially a "backdoor" approach that causes some
parts of the system (ie. the MapGuide Server) to not be aware of such
changes. This is why you should do things through the abstractions provided
to you and not try to take shortcuts like this.

In this case, you would describe the schema of your Feature Source
(MgFeatureService.DescribeSchema()), find the MgClassDefinition that maps to
your database table, add/modify/delete the relevant properties in this class
definition and then apply the schema back into the feature source
(MgFeatureService.ApplySchema()) so that the structural changes can be
applied.

- Jackie



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