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An exception that is thrown when a concurrency violation is encountered while saving to the database. A concurrency violation occurs when an unexpected number of rows are affected during save. This is usually because the data in the database has been modified since it was loaded into memory.

public class DbUpdateConcurrencyException : Microsoft.EntityFrameworkCore.DbUpdateException

[System.Runtime.CompilerServices.Nullable(0)]
[System.Serializable]
public class DbUpdateConcurrencyException : Microsoft.EntityFrameworkCore.DbUpdateException

[System.Serializable]
public class DbUpdateConcurrencyException : Microsoft.EntityFrameworkCore.DbUpdateException

type DbUpdateConcurrencyException = class
 inherit DbUpdateException

[<System.Runtime.CompilerServices.Nullable(0)>]
[<System.Serializable>]
type DbUpdateConcurrencyException = class
 inherit DbUpdateException

[<System.Serializable>]
type DbUpdateConcurrencyException = class
 inherit DbUpdateException

Public Class DbUpdateConcurrencyException
Inherits DbUpdateException

Inheritance: Exception

DbUpdateException
DbUpdateConcurrencyException

Attributes: NullableAttribute SerializableAttribute

Remarks

See Handling concurrency conflicts for more information and examples.

Constructors

Name	Description
DbUpdateConcurrencyException()	Initializes a new instance of the DbUpdateConcurrencyException class.
DbUpdateConcurrencyException(SerializationInfo, StreamingContext)	Obsolete. Initializes a new instance of the DbUpdateException class from a serialized form.
DbUpdateConcurrencyException(String, Exception, IReadOnlyList<IUpdateEntry>)	Initializes a new instance of the DbUpdateConcurrencyException class.
DbUpdateConcurrencyException(String, Exception)	Initializes a new instance of the DbUpdateConcurrencyException class.
DbUpdateConcurrencyException(String, IReadOnlyList<IUpdateEntry>)	Initializes a new instance of the DbUpdateConcurrencyException class.
DbUpdateConcurrencyException(String)	Initializes a new instance of the DbUpdateConcurrencyException class.

Properties

Name	Description
Entries	Gets the entries that were involved in the error. Typically this is a single entry, but in some cases it may be zero or multiple entries. (Inherited from DbUpdateException)

Applies to

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URL: https://learn.microsoft.com/en-us/dotnet/api/microsoft.entityframeworkcore.dbupdateconcurrencyexception?view=efcore-10.0