Class DataReaderEventData

Namespace

Microsoft.EntityFrameworkCore.Diagnostics

Assembly

Microsoft.EntityFrameworkCore.Relational.dll

DiagnosticSource event payload for DataReaderClosing.

public class DataReaderEventData : DbContextEventData

Inheritance

object

DataReaderEventData

Derived

DataReaderClosingEventData

DataReaderDisposingEventData

Remarks

See Logging, events, and diagnostics for more information and examples.

Constructors

DataReaderEventData(EventDefinitionBase, Func<EventDefinitionBase, EventData, string>, DbCommand, DbDataReader, DbContext?, Guid, Guid, int, int, DateTimeOffset)

Constructs a DiagnosticSource event payload for DataReaderClosing.

public DataReaderEventData(EventDefinitionBase eventDefinition, Func<EventDefinitionBase, EventData, string> messageGenerator, DbCommand command, DbDataReader dataReader, DbContext? context, Guid commandId, Guid connectionId, int recordsAffected, int readCount, DateTimeOffset startTime)

Parameters

eventDefinition EventDefinitionBase

The event definition.

messageGenerator Func<EventDefinitionBase, EventData, string>

A delegate that generates a log message for this event.

command DbCommand

The DbCommand that created the reader.

dataReader DbDataReader

The DbDataReader that is being disposed.

context DbContext

The Microsoft.EntityFrameworkCore.DbContext currently being used, to null if not known.

commandId Guid

A correlation ID that identifies the DbCommand instance being used.

connectionId Guid

A correlation ID that identifies the DbConnection instance being used.

recordsAffected int

Gets the number of rows changed, inserted, or deleted by execution of the SQL statement.

readCount int

Gets the number of read operations performed by this reader.

startTime DateTimeOffset

The start time of this event.

Properties

Command

The DbCommand that created the reader.

public virtual DbCommand Command { get; }

Property Value

DbCommand

CommandId

A correlation ID that identifies the DbCommand instance being used.

public virtual Guid CommandId { get; }

Property Value

Guid

ConnectionId

A correlation ID that identifies the DbConnection instance being used.

public virtual Guid ConnectionId { get; }

Property Value

Guid

DataReader

The DbDataReader that is being disposed.

public virtual DbDataReader DataReader { get; }

Property Value

DbDataReader

ReadCount

Gets the number of read operations performed by this reader.

public virtual int ReadCount { get; }

Property Value

int

RecordsAffected

Gets the number of rows changed, inserted, or deleted by execution of the SQL statement.

public virtual int RecordsAffected { get; }

Property Value

int

StartTime

The start time of this event.

public virtual DateTimeOffset StartTime { get; }

Property Value

DateTimeOffset