"Object reference not set" using FindControl
289
What is a NullReferenceException, and how do I fix it?
49124
How do I access this object property with an illegal name?
125400
copy object as a reference
93966
The ViewData item that has the key 'XXX' is of type 'System.Int32' but must be of type 'IEnumerable'
484
"DataBinding: 'index+NewsItem' does not contain a property with the name 'Link'", but property exists (Not a Typo)
150853
An object reference is required to access non-static member
96381
0xC0020001: The string binding is invalid. - Only occurring in WPF
65383
Is it Possible to Return a Reference to a Variable in C#?
132361
Find references to the object in runtime
102497
Inserting text gives objectcollection error
97885
The object cannot be deleted because it was not found in the ObjectStateManager
46857
Compiler warning: null reference exception
76920
WPF User Control's DataContext is Null
131864
Member '' cannot be accessed with an instance reference
84493
Can't set attributes on instance of "object" class
68506
How does one access a control from a static method?
2454
force:navigateToSObject call not working