AffectedCountModificationCommandBatch.ThrowAggregateUpdateConcurrencyExceptionAsync 方法

定義

命名空間:

Microsoft.EntityFrameworkCore.Update

組件:

Microsoft.EntityFrameworkCore.Relational.dll

套件:

Microsoft.EntityFrameworkCore.Relational v10.0.0

來源:

AffectedCountModificationCommandBatch.cs

會拋出一個例外，表示指令影響了意外數量的列數。

protected virtual System.Threading.Tasks.Task ThrowAggregateUpdateConcurrencyExceptionAsync(Microsoft.EntityFrameworkCore.Storage.RelationalDataReader reader, int commandIndex, int expectedRowsAffected, int rowsAffected, System.Threading.CancellationToken cancellationToken);

abstract member ThrowAggregateUpdateConcurrencyExceptionAsync : Microsoft.EntityFrameworkCore.Storage.RelationalDataReader * int * int * int * System.Threading.CancellationToken -> System.Threading.Tasks.Task
override this.ThrowAggregateUpdateConcurrencyExceptionAsync : Microsoft.EntityFrameworkCore.Storage.RelationalDataReader * int * int * int * System.Threading.CancellationToken -> System.Threading.Tasks.Task

Protected Overridable Function ThrowAggregateUpdateConcurrencyExceptionAsync (reader As RelationalDataReader, commandIndex As Integer, expectedRowsAffected As Integer, rowsAffected As Integer, cancellationToken As CancellationToken) As Task

參數

reader

RelationalDataReader

資料讀取器。

commandIndex

Int32

命令的序數。

expectedRowsAffected

Int32

受影響的預期行數。

rowsAffected

Int32

實際受影響的行數。

cancellationToken

CancellationToken

A CancellationToken 在等待任務完成時觀察。

傳回

Task

一個代表非同步操作的任務。

例外狀況

OperationCanceledException

如果取消了 CancellationToken 。