Commonly Used Exceptions Defined Within the System Namespace : Exception « Language Basics « C# / CSharp Tutorial

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1.17.7.Commonly Used Exceptions Defined Within the System Namespace

Exception	Meaning
ArrayTypeMismatchException	Type is incompatible with the type of the array.
DivideByZeroException	Division by zero attempted.
IndexOutOfRangeException	Array index is out of bounds.
InvalidCastException	A runtime cast is invalid.
OutOfMemoryException	Insufficient free memory exists.
OverflowException	An arithmetic overflow occurred.
NullReferenceException	An attempt was made to operate on a null reference�that is, a reference that does not refer to an object.
StackOverflowException	The stack was Overflow.

As a general rule, exceptions defined by you should be derived from ApplicationException since this is the

hierarchy reserved for application- related exceptions.

1.17.Exception
	1.17.1.	The Exception Hierarchy
	1.17.2.	The System.Exception Class
	1.17.3.	A Closer Look at Exception
	1.17.4.	Using Exception members
	1.17.5.	Exception propagation with methods
	1.17.6.	An unhandled exception
	1.17.7.	Commonly Used Exceptions Defined Within the System Namespace
	1.17.8.	Handling a possible exception.

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