DbDataAdapter.CreateRowUpdatingEvent 方法
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
初始化 RowUpdatingEventArgs 类的新实例。
protected:
virtual System::Data::Common::RowUpdatingEventArgs ^ CreateRowUpdatingEvent(System::Data::DataRow ^ dataRow, System::Data::IDbCommand ^ command, System::Data::StatementType statementType, System::Data::Common::DataTableMapping ^ tableMapping);
protected:
abstract System::Data::Common::RowUpdatingEventArgs ^ CreateRowUpdatingEvent(System::Data::DataRow ^ dataRow, System::Data::IDbCommand ^ command, System::Data::StatementType statementType, System::Data::Common::DataTableMapping ^ tableMapping);
protected virtual System.Data.Common.RowUpdatingEventArgs CreateRowUpdatingEvent (System.Data.DataRow dataRow, System.Data.IDbCommand? command, System.Data.StatementType statementType, System.Data.Common.DataTableMapping tableMapping);
protected virtual System.Data.Common.RowUpdatingEventArgs CreateRowUpdatingEvent (System.Data.DataRow dataRow, System.Data.IDbCommand command, System.Data.StatementType statementType, System.Data.Common.DataTableMapping tableMapping);
protected abstract System.Data.Common.RowUpdatingEventArgs CreateRowUpdatingEvent (System.Data.DataRow dataRow, System.Data.IDbCommand command, System.Data.StatementType statementType, System.Data.Common.DataTableMapping tableMapping);
abstract member CreateRowUpdatingEvent : System.Data.DataRow * System.Data.IDbCommand * System.Data.StatementType * System.Data.Common.DataTableMapping -> System.Data.Common.RowUpdatingEventArgs
override this.CreateRowUpdatingEvent : System.Data.DataRow * System.Data.IDbCommand * System.Data.StatementType * System.Data.Common.DataTableMapping -> System.Data.Common.RowUpdatingEventArgs
abstract member CreateRowUpdatingEvent : System.Data.DataRow * System.Data.IDbCommand * System.Data.StatementType * System.Data.Common.DataTableMapping -> System.Data.Common.RowUpdatingEventArgs
Protected Overridable Function CreateRowUpdatingEvent (dataRow As DataRow, command As IDbCommand, statementType As StatementType, tableMapping As DataTableMapping) As RowUpdatingEventArgs
Protected MustOverride Function CreateRowUpdatingEvent (dataRow As DataRow, command As IDbCommand, statementType As StatementType, tableMapping As DataTableMapping) As RowUpdatingEventArgs
参数
- command
- IDbCommand
要在 IDbCommand 过程中执行的 Update(DataSet)。
- statementType
- StatementType
该命令是 UPDATE、INSERT、DELETE 语句还是 SELECT 语句。
- tableMapping
- DataTableMapping
DataTableMapping 对象。
返回
RowUpdatingEventArgs 类的新实例。
实施者说明
在派生类中重写 CreateRowUpdatingEvent(DataRow, IDbCommand, StatementType, DataTableMapping) 时,请务必调用基类的 CreateRowUpdatingEvent(DataRow, IDbCommand, StatementType, DataTableMapping) 方法。
适用于
另请参阅
反馈
https://aka.ms/ContentUserFeedback。
即将发布:在整个 2024 年,我们将逐步淘汰作为内容反馈机制的“GitHub 问题”,并将其取代为新的反馈系统。 有关详细信息,请参阅:提交和查看相关反馈