DuplicateKeyException Class

May 11, 2014

Thrown when an attempt is made to add an object to the identity cache by using a key that is already being used.

System.Object
  System.Exception
    System.SystemException
      System.InvalidOperationException
        System.Data.Linq.DuplicateKeyException

Namespace:  System.Data.Linq
Assembly:  System.Data.Linq (in System.Data.Linq.dll)

public class DuplicateKeyException : InvalidOperationException

The DuplicateKeyException type exposes the following members.

  NameDescription
Public methodDuplicateKeyException(Object)Initializes a new instance of the DuplicateKeyException class.
Public methodDuplicateKeyException(Object, String)Initializes a new instance of the DuplicateKeyException class by referencing the duplicate key and providing an error message.
Public methodDuplicateKeyException(Object, String, Exception)Initializes a new instance of the DuplicateKeyException class by referencing the duplicate key, providing an error message, and specifying the exception that caused this exception to be thrown.
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  NameDescription
Public propertyDataGets a collection of key/value pairs that provide additional user-defined information about the exception. (Inherited from Exception.)
Public propertyHelpLinkGets or sets a link to the help file associated with this exception. (Inherited from Exception.)
Public propertyHResultGets or sets HRESULT, a coded numerical value that is assigned to a specific exception. (Inherited from Exception.)
Public propertyInnerExceptionGets the Exception instance that caused the current exception. (Inherited from Exception.)
Public propertyMessageGets a message that describes the current exception. (Inherited from Exception.)
Public propertyObjectGets the object that caused the exception.
Public propertySourceGets or sets the name of the application or the object that causes the error. (Inherited from Exception.)
Public propertyStackTraceGets a string representation of the frames on the call stack at the time the current exception was thrown. (Inherited from Exception.)
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  NameDescription
Public methodEquals(Object)Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetBaseExceptionWhen overridden in a derived class, returns the Exception that is the root cause of one or more subsequent exceptions. (Inherited from Exception.)
Public methodGetHashCodeServes as a hash function for a particular type. (Inherited from Object.)
Public methodGetTypeGets the runtime type of the current instance. (Inherited from Exception.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodToStringCreates and returns a string representation of the current exception. (Inherited from Exception.)
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Windows Phone OS

Supported in: 8.1, 8.0

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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