AffectedCountModificationCommandBatch.ThrowAggregateUpdateConcurrencyExceptionAsync 方法

定义

命名空间:

Microsoft.EntityFrameworkCore.Update

程序集:

Microsoft.EntityFrameworkCore.Relational.dll

包:

Microsoft.EntityFrameworkCore.Relational v8.0.0

引发异常，指示命令影响意外的行数。

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

参数

reader

RelationalDataReader

数据读取器。

commandIndex

Int32

命令的序号。

expectedRowsAffected

Int32

受影响的预期行数。

rowsAffected

Int32

受影响的实际行数。

cancellationToken

CancellationToken

等待 CancellationToken 任务完成时要观察的 。

返回

Task

表示异步操作的任务。

例外

OperationCanceledException

如果已取消 CancellationToken。