public partial class YourEfContext : DbContext 

{

    .... (other EF stuff) ......

​

    // get your EF context

    public int GetNextSequenceValue()

    {

        var rawQuery = Database.SqlQuery<int>("SELECT NEXT VALUE FOR dbo.TestSequence;");

        var task = rawQuery.SingleAsync();

        int nextVal = task.Result;

​

        return nextVal;

    }

}