Hi,
I assume that you mean SqlCeClientSyncProvider. Batching is not supported on this provider. You can enable its matching server provider with custom batching (http://msdn.microsoft.com/en-us/library/bb902828.aspx),
but I don't think there is a way for the client provider.
SqlCeSyncProvider can suppport batching, but it seems not work for you since you need client provider to be run on mobile.
Thanks,
Dong
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