System.ApplicationException | Exception | Use this class as the base class to user -defined exceptions; a more derived exception should be thrown. |
System.ArgumentNullException | ArgumentException | Thrown when a parameter value for a method is null and null is not allowed. |
System.ArgumentOutOfRangeException | ArgumentException | Thrown when a parameter value for a method is out of the range of expected values. |
System.ArrayTypeMismatchException | SystemException | Thrown when an incompatible data type is assigned to an element in an array. |
System.Runtime.InteropServices.COMException | ExternalException | Thrown when an unknown HRESULT is returned from a COM object. |
System.Configuration.ConfigurationException | SystemException | Thrown when an invalid configuration setting is encountered . |
System.Reflection.CustomAttributeFormatException | FormatException | Thrown when a custom attribute format is incorrect. |
System.IO.DirectoryNotFoundException | IOException | Thrown when a file or directory cannot be found. |
System.Exception | Object | Base class of all exceptions; you should always throw a more derived exception. |
System.FormatException | SystemException | Thrown when an invalid format parameter is passed to a method. |
System.IndexOutOfRangeException | SystemException | Thrown when you attempt to access an array element with an index value outside the valid range for that array. |
System.Configuration.Install.InstallException | SystemException | Thrown during software installation when an error is encountered during uninstall, committing of data, or rolling back of data. |
System.ComponentModel.InvalidEnumArgumentException | ArgumentException | Thrown when an invalid enumeration value is passed to a method. |
System.InvalidOperationException | SystemException | Thrown when a method is called while the object it resides in is in a state that makes it illegal to call this method. |
System.IO.IOException | SystemException | Thrown when a general I/O exception occurs; you should throw a more derived exception. |
System.MemberAccessException | SystemException | Thrown when a general error occurs while using a class member; you should throw a more derived exception. |
System.MethodAccessException | MemberAccessException | Thrown when a general error occurs while using a method member. |
System.NotFiniteNumberException | ArithmeticException | Thrown when a double or single data type is expected to have a finite number and instead it contains NaN, +infinity, or - infinity. |
System.NotImplementedException | SystemException | Thrown when a member is accessed that is not yet implemented. |
System.NotSupportedException | SystemException | Thrown when a member is accessed that is not yet supported. |
System.NullReferenceException | SystemException | Thrown when a reference set to null is used. |
System.ObjectDisposedException | InvalidOperation-Exception | Thrown when a disposed object is accessed. |
System.ServiceProcess.TimeoutException | SystemException | Thrown when a service times out. |
System.ComponentModel.WarningException | SystemException | Thrown when a warning message needs to be displayed. This exception does not imply a serious failure of the application or system. |
System.Net.WebException | InvalidOperation-Exception | Thrown when a pluggable protocol causes an error. |
System.Xml.XmlException | SystemException | Thrown due to a general error in the XML. |