NullReferenceException was unhandled in event triggering
289
What is a NullReferenceException, and how do I fix it?
102259
Custom Validation using Trigger throwing System.FinalException: SObject row does not allow errors
90541
Calling Apex class from trigger - issues with passing a list
128903
ExecuteScalar throws NullReferenceException
43578
Event parent relationship fields are null in trigger
20020
NullPointerException accessing views in onCreate()
122282
WinForms: How to programmatically fire an event handler?
119573
NullPointerException in Java with no StackTrace
144658
System.NullPointerException: Attempt to de-reference a null object ,sravn
7935
CS0120: An object reference is required for the nonstatic field, method, or property 'foo'
80292
Handling unhandled exceptions problem
68787
Why The constructor ArrayAdapter(new View.OnKeyListener(){}, int, String[]) is undefined
95883
Why is 'event' variable available even when not passed as a parameter?
134010
Can Visual Studio tell me which reference threw a NullReferenceException?
125805
Not able to catch an exception (Custom + Standard) from trigger
46857
Compiler warning: null reference exception
110012
DmlException:SELF_REFERENCE_FROM_TRIGGER