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356

answers:

1

Hi, I need to get UserCarId(int) from this query and assign to int type variable.

 int UserCarId;


 Entities ctx = new Entities();
                var query = from enq in ctx.UserCars.Include("aspnet_Users")
                            where enq.aspnet_Users.UserId == currentUserId
                            select enq.UserCarId ;
                UserCarId = query;
+1  A: 

If you want to get a single record use the FirstOrDefault method

UserCarId = query.FirstOrDefault();

In the case of int the default value is 0, so if no record is found then 0 will be returned.

bendewey
Unable to cast object of type 'System.Data.Objects.ObjectQuery`1[System.Int32]' to type 'System.IConvertible'.I am getting this than
Alex
Thank you for contribution, it worked perfecrly!!!
Alex
The message states that you are calling FirstOrDefault on a List<List<T>>, I would verify the type of UserCarId. Additionally, you don't need the Include statement on your query. That may be causing your problem.
bendewey