How to use LINQ with dynamic collections

So long as data is an IEnumerable of some kind, you can use:

var a = ((IEnumerable) data).Cast<dynamic>()
                            .Where(p => p.verified);

The Cast<dynamic>() is to end up with an IEnumerable<dynamic> so that the type of the parameter to the lambda expression is also dynamic.

Try casting to IEnumerable<dynamic>

((IEnumerable<dynamic>)data).Where(d => d.Id == 1);

This approach is 4x faster than other approachs.

good luck

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