Exceptions

Top 10 Tips for Exception Handling in C#
Exception Types

Exception Class	Cause
SystemException	A failed run-time check;used as a base class for other.
AccessException	Failure to access a type member, such as a method or field.
ArgumentException	An argument to a method was invalid.
ArgumentNullException	A null argument was passed to a method that doesn't accept it.
ArgumentOutOfRangeException	Argument value is out of range.
ArithmeticException	Arithmetic over - or underflow has occurred.
ArrayTypeMismatchException	Attempt to store the wrong type of object in an array.
BadImageFormatException	Image is in the wrong format.
CoreException	Base class for exceptions thrown by the runtime.
DivideByZeroException	An attempt was made to divide by zero.
FormatException	The format of an argument is wrong.
IndexOutOfRangeException	An array index is out of bounds.
InvalidCastExpression	An attempt was made to cast to an invalid class.
InvalidOperationException	A method was called at an invalid time.
MissingMemberException	An invalid version of a DLL was accessed.
NotFiniteNumberException	A number is not valid.
NotSupportedException	Indicates sthat a method is not implemented by a class.
NullReferenceException	Attempt to use an unassigned reference.
OutOfMemoryException	Not enough memory to continue execution.
StackOverflowException	A stack has overflown.