Question

I have trouble to getting my linq line to work.

var result = databaseObjects.Where(dbo => dbo.GetType() == typeof(Model.DatabaseTable) ? (dbo as Model.DatabaseTable).FullName.Equals(name) : dbo.Name.Equals(name));

I tried to use the method from an answer to this question to make it work.
I think i know what is wrong, DatabaseObject is a abstract class, and i want to to avoid to use FullName property on everything else than DatabaseTable, but from what i can see it does check on it.

EDIT: The Error was:

System.NullReferenceException was unhandled
{"Object reference not set to an instance of an object."}

Problem was i forgot to assign DatabaseObject.Name, DatabaseTableObject.FullName was assigned.

Answer 1

Looks as though either FullName or Name is null on one of your dbo objects. To verify change your code to:

var result = databaseObjects.Where(dbo => dbo.GetType() == typeof(Model.DatabaseTable) ? (dbo as Model.DatabaseTable).FullName == name : dbo.Name == name); 

It’s shouldn’t throw an exception.