Hi Manish Sapkota,
The KmlReader itself does not support zipped KML (KMZ) files at the moment. You can get KML from the zipped package using the following approaches:
- Unzip KML content on the client side using some Silverlight unzip library and then pass resulting string to the KML reader.
- Your server supports compressed content. In this case server will send KML to the client side as a compressed stream, then IE will unzip this information and pass it to the Silverlight as uncompressed stream.
The first approach should work anywhere. The second one depends on the web-server (IIS) and application settings. I suppose that you are using something similar to #2. You have to ask your system administrator to compare settings for both servers and application pools.
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