c# Programming Glossary: nullreferenceexception

http://stackoverflow.com/questions/132445/direct-casting-vs-as-operator

null in that case . Otherwise assigns o to s . Causes a NullReferenceException of o is null . Assigns whatever o.ToString returns to s no matter..

Why is “null” present in C# and java?

http://stackoverflow.com/questions/178026/why-is-null-present-in-c-sharp-and-java

of bugs in our software developed in C# or java cause a NullReferenceException. Is there a reason why null has even been included in the language..

Why is the C# “as” operator so popular? [closed]

http://stackoverflow.com/questions/2139798/why-is-the-c-sharp-as-operator-so-popular

is to turn a useful InvalidCastException into a useless NullReferenceException . Am I the only one who thinks that this a blatant abuse of.. the cause of failure immediately rather than waiting for a NullReferenceException or ArgumentNullException or even a logical error sometime in..

How to correctly unregister an event handler

http://stackoverflow.com/questions/292820/how-to-correctly-unregister-an-event-handler

unregistering new delegates works Fire Hello 3 threw a NullReferenceException . Debugging the code showed that Fire is null after unregistering..

Using LINQ to find item in a List but get “Value cannot be null. Parameter name: source”

http://stackoverflow.com/questions/3244336/using-linq-to-find-item-in-a-list-but-get-value-cannot-be-null-parameter-name

lineItems add a null check if lineItems null throw new NullReferenceException Cannot be null your original code from sli in lineItems group..

Pipe forwards in C#

http://stackoverflow.com/questions/336775/pipe-forwards-in-c-sharp

and any of these might return null so this might throw a NullReferenceException var pixiesDrummer Music.GetCompany 4ad.com .GetBand Pixes ..

Raise event thread safely - best practice

http://stackoverflow.com/questions/3668953/raise-event-thread-safely-best-practice

the temp variable approach your code is protected against NullReferenceException s but it could be that the event will invoke event listeners..

C# “as” cast vs classic cast [duplicate]

http://stackoverflow.com/questions/4926677/c-sharp-as-cast-vs-classic-cast

a class cast exception. I see that this can lead to a NullReferenceException if the cast failed and I try to access the someObject variable...

C# => operator?

http://stackoverflow.com/questions/5781268/c-sharp-operator

Use of null check in event handler

http://stackoverflow.com/questions/672638/use-of-null-check-in-event-handler

changes during the course of OnSeven you won't get a NullReferenceException . But you're right that you don't need the null check if you've..

Deserialize unknown type with protobuf-net

http://stackoverflow.com/questions/675349/deserialize-unknown-type-with-protobuf-net

. I tried to deserialize with this and it failed with a NullReferenceException. Where ms is a memorystream containing the serialized byte array.. error System.Reflection.TargetInvocationException System.NullReferenceException. Where ms is a memorystream and messageType is a Uint16. Type..

Why && and not &

http://stackoverflow.com/questions/7331686/why-and-not

would use the bitwise AND operator instead you would get a NullReferenceException if the key is not found in the dictionary because the second..

C# Events and Thread Safety

http://stackoverflow.com/questions/786383/c-sharp-events-and-thread-safety

taken will be out of date but that's all. It won't cause a NullReferenceException . And yes there's certainly a race condition but there always..

Why is memory access in the lowest address space (non-null though) reported as NullReferenceException by .NET?

http://stackoverflow.com/questions/7940492/why-is-memory-access-in-the-lowest-address-space-non-null-though-reported-as-n

in the lowest address space non null though reported as NullReferenceException by .NET This causes an AccessViolationException to be thrown.. addr ulong Int64.MaxValue ulong val addr This causes a NullReferenceException to be thrown using System namespace TestApplication internal.. pointers and both violate memory access rules. Why the NullReferenceException c# .net clr share improve this question This is caused..

Why is the C# compiler emitting a callvirt instruction for a GetType() method call?

http://stackoverflow.com/questions/845657/why-is-the-c-sharp-compiler-emitting-a-callvirt-instruction-for-a-gettype-meth

on the other hand checks for not null and throws a NullReferenceException if required. For static methods the object is a type object..

How to check for nulls in a deep lambda expression? [duplicate]

http://stackoverflow.com/questions/854591/how-to-check-for-nulls-in-a-deep-lambda-expression

Two Three or Four were null rather than throwing a System.NullReferenceException. public class Tests This test will succeed Fact public void.. Bar get set UPDATE One solution would be to catch the NullReferenceException like this private TResult GetValue TModel TResult TModel model.. try var func expression.Compile value func model catch NullReferenceException value default TResult return value But I hate to incur the..

Difference Between Equals and ==

http://stackoverflow.com/questions/971954/difference-between-equals-and

depends on. Of course if a is null then you'll get a NullReferenceException NullPointerException when you try to call a.equals b or a.Equals..