Null Reference Exception when trying to access table in Entity Framework
289
What is a NullReferenceException, and how do I fix it?
11458
NullReferenceException in Unity
149666
Why can't a null-reference exception name the object that has a null reference?
148809
Entity Reference: Filter by an entity reference view not working as expected
138687
How to fix "System.QueryException: List has more than 1 row for assignment to SObject"
48671
Why LINQ to Entities does not recognize the method 'System.String ToString()?
23147
Entity Framework: "Store update, insert, or delete statement affected an unexpected number of rows (0)."
46944
Null pointer Exception - findViewById()
140473
Using MySQL with Entity Framework
75428
LINQ to Entities does not recognize the method 'System.String ToString()' method, and this method cannot be translated into a store expression
112328
Error: "an object reference is required for the non-static field, method or property..."
59517
FATAL_ERROR|System.QueryException: List has no rows for assignment to SObject
32065
Attempt to de-reference a null object: Trigger
100051
Unable to update the EntitySet - because it has a DefiningQuery and no  element exist
33613
Why is this trigger finding a null value despite the field being populated?
124496
Database.SaveResult.getId() returns null
9683
How to use GetSObject to retrieve related data in a null safe manner?