ChangeConflictException Class
.NET Framework 4.5
Thrown when an update fails because database values have been updated since the client last read them.
Namespace: System.Data.Linq
Assembly: System.Data.Linq (in System.Data.Linq.dll)
The ChangeConflictException type exposes the following members.
| Name | Description | |
|---|---|---|
![]() | ChangeConflictException() | Initializes a new instance of the ChangeConflictException class. |
![]() | ChangeConflictException(String) | Initializes a new instance of the ChangeConflictException class and specifies a message to explain the exception. |
![]() | ChangeConflictException(String, Exception) | Initializes a new instance of the ChangeConflictException class, specifies a message to explain the exception, and specifies the exception that caused this exception. |
| Name | Description | |
|---|---|---|
![]() | Data | Gets a collection of key/value pairs that provide additional user-defined information about the exception. (Inherited from Exception.) |
![]() | HelpLink | Gets or sets a link to the help file associated with this exception. (Inherited from Exception.) |
![]() | HResult | Gets or sets HRESULT, a coded numerical value that is assigned to a specific exception. (Inherited from Exception.) |
![]() | InnerException | Gets the Exception instance that caused the current exception. (Inherited from Exception.) |
![]() | Message | Gets a message that describes the current exception. (Inherited from Exception.) |
![]() | Source | Gets or sets the name of the application or the object that causes the error. (Inherited from Exception.) |
![]() | StackTrace | Gets a string representation of the immediate frames on the call stack. (Inherited from Exception.) |
![]() | TargetSite | Gets the method that throws the current exception. (Inherited from Exception.) |
| Name | Description | |
|---|---|---|
![]() | Equals(Object) | Determines whether the specified object is equal to the current object. (Inherited from Object.) |
![]() | Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.) |
![]() | GetBaseException | When overridden in a derived class, returns the Exception that is the root cause of one or more subsequent exceptions. (Inherited from Exception.) |
![]() | GetHashCode | Serves as a hash function for a particular type. (Inherited from Object.) |
![]() | GetObjectData | When overridden in a derived class, sets the SerializationInfo with information about the exception. (Inherited from Exception.) |
![]() | GetType | Gets the runtime type of the current instance. (Inherited from Exception.) |
![]() | MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
![]() | ToString | Creates and returns a string representation of the current exception. (Inherited from Exception.) |
| Name | Description | |
|---|---|---|
![]() | SerializeObjectState | Occurs when an exception is serialized to create an exception state object that contains serialized data about the exception. (Inherited from Exception.) |
The following example shows how this exception might be used for returning information about a concurrency conflict.
Northwnd db = new Northwnd("..."); try { db.SubmitChanges(ConflictMode.ContinueOnConflict); } catch (ChangeConflictException e) { Console.WriteLine("Optimistic concurrency error."); Console.WriteLine(e.Message); foreach (ObjectChangeConflict occ in db.ChangeConflicts) { MetaTable metatable = db.Mapping.GetTable(occ.Object.GetType()); Customer entityInConflict = (Customer)occ.Object; Console.WriteLine("Table name: {0}", metatable.TableName); Console.Write("Customer ID: "); Console.WriteLine(entityInConflict.CustomerID); Console.ReadLine(); } }
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

