DuplicateKeyException Class
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Thrown when an attempt is made to add an object to the identity cache by using a key that is already being used.
Inheritance Hierarchy
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)
Syntax
Public Class DuplicateKeyException _
Inherits InvalidOperationException
public class DuplicateKeyException : InvalidOperationException
The DuplicateKeyException type exposes the following members.
Constructors
| Name | Description | |
|---|---|---|
.gif "Public method") |
DuplicateKeyException(Object) | Initializes a new instance of the DuplicateKeyException class. |
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DuplicateKeyException(Object, String) | Initializes a new instance of the DuplicateKeyException class by referencing the duplicate key and providing an error message. |
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DuplicateKeyException(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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Properties
| Name | Description | |
|---|---|---|
.gif "Public property") |
Data | Gets a collection of key/value pairs that provide additional user-defined information about the exception. (Inherited from Exception.) |
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HelpLink | Gets or sets a link to the help file associated with this exception. (Inherited from Exception.) |
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HResult | Gets or sets HRESULT, a coded numerical value that is assigned to a specific exception. (Inherited from Exception.) |
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InnerException | Gets the Exception instance that caused the current exception. (Inherited from Exception.) |
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Message | Gets a message that describes the current exception. (Inherited from Exception.) |
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Object | Gets the object that caused the exception. |
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Source | Gets or sets the name of the application or the object that causes the error. (Inherited from Exception.) |
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StackTrace | Gets 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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Methods
| Name | Description | |
|---|---|---|
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Equals(Object) | Determines whether the specified Object is equal to the current Object. (Inherited from Object.) |
.gif "Protected method") |
Finalize | Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.) |
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GetBaseException | When overridden in a derived class, returns the Exception that is the root cause of one or more subsequent exceptions. (Inherited from Exception.) |
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GetHashCode | Serves as a hash function for a particular type. (Inherited from Object.) |
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GetType | Gets the runtime type of the current instance. (Inherited from Exception.) |
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MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
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ToString | Creates and returns a string representation of the current exception. (Inherited from Exception.) |
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Version Information
Windows Phone OS
Supported in: 8.1, 8.0
Thread Safety
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.