Classe TraceFile
The TraceFile class is a Trace object that represents a trace log file.
Gerarchia di ereditarietà
System.Object
Microsoft.SqlServer.Management.Trace.TraceReader
Microsoft.SqlServer.Management.Trace.TraceReaderWriter
Microsoft.SqlServer.Management.Trace.TraceFile
Spazio dei nomi Microsoft.SqlServer.Management.Trace
Assembly: Microsoft.SqlServer.ConnectionInfoExtended (in Microsoft.SqlServer.ConnectionInfoExtended.dll)
Sintassi
'Dichiarazione
<ComVisibleAttribute(False)> _
Public Class TraceFile _
Inherits TraceReaderWriter
'Utilizzo
Dim instance As TraceFile
[ComVisibleAttribute(false)]
public class TraceFile : TraceReaderWriter
[ComVisibleAttribute(false)]
public ref class TraceFile : public TraceReaderWriter
[<ComVisibleAttribute(false)>]
type TraceFile =
class
inherit TraceReaderWriter
end
public class TraceFile extends TraceReaderWriter
Nel tipo TraceFile sono esposti i membri seguenti.
Costruttori
Nome | Descrizione | |
---|---|---|
TraceFile | Initializes a new instance of the TraceFile class. |
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Proprietà
Nome | Descrizione | |
---|---|---|
Depth | Gets the depth value for the trace reader. Ereditato da TraceReader. | |
FieldCount | Gets the number of columns in the data. Ereditato da TraceReader. | |
IsClosed | Gets the Boolean property value that specifies whether the trace reader is closed. Ereditato da TraceReader. | |
Item[Int32] | Gets the column specified by the index position. Ereditato da TraceReader. | |
Item[String] | Gets the column with the specified name. Ereditato da TraceReader. | |
RecordsAffected | Gets the number of records of data. Ereditato da TraceReader. |
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Metodi
Nome | Descrizione | |
---|---|---|
Close | Closes the trace reader and writer. Ereditato da TraceReaderWriter. | |
Dispose | Deletes the trace reader information. Ereditato da TraceReader. | |
Equals | Ereditato da Object. | |
Finalize | Ereditato da Object. | |
GetBoolean | Returns a Boolean value from the record at the specified column position. Ereditato da TraceReader. | |
GetByte | Returns a Byte value from the record at the specified column position. Ereditato da TraceReader. | |
GetBytes | Gets a stream of bytes from the specified column offset into the buffer as an array, starting at the given buffer offset. Ereditato da TraceReader. | |
GetChar | Gets a character value of the specified column. Ereditato da TraceReader. | |
GetChars(Int32, array<Char[], Int32, Int32, Int32) | Gets a character array value from the record at the specified column position. Ereditato da TraceReader. | |
GetChars(Int32, Int64, array<Char[], Int32, Int32) | Gets a character array value from the record at the specified column position. Ereditato da TraceReader. | |
GetData | Returns IDataReader object used when the field points to a remote data structure. Ereditato da TraceReader. | |
GetDataTypeName | Gets the data type of the data value at the specified column position. Ereditato da TraceReader. | |
GetDateTime | Gets a DateTime value of the data value at the specified column position. Ereditato da TraceReader. | |
GetDecimal | Gets a Decimal value of the data value at the specified column position. Ereditato da TraceReader. | |
GetDouble | Gets a floating point value of the data value at the specified column position. Ereditato da TraceReader. | |
GetFieldType | Returns the field type of the data value at the specified column position. Ereditato da TraceReader. | |
GetFloat | Gets a floating point value of the data value at the specified column position. Ereditato da TraceReader. | |
GetGuid | Gets a Guid system value of the data value at the specified column position. Ereditato da TraceReader. | |
GetHashCode | Ereditato da Object. | |
GetInt16 | Gets a small integer value of the data value at the specified column position. Ereditato da TraceReader. | |
GetInt32 | Gets an integer value of the data value at the specified column position. Ereditato da TraceReader. | |
GetInt64 | Gets a long integer value of the data value at the specified column position. Ereditato da TraceReader. | |
GetName | Gets the name of the field at the specified column position. Ereditato da TraceReader. | |
GetOrdinal | Gets the ordinal value of the data value at the specified column position. Ereditato da TraceReader. | |
GetSchemaTable | Gets a table that describes the schema. Ereditato da TraceReader. | |
GetStream | Gets the stream of data. Ereditato da TraceReader. | |
GetString | Gets a String value at the specified column position. Ereditato da TraceReader. | |
GetTimeSpan | Gets a TimeSpan value of the data value at the specified column position. Ereditato da TraceReader. | |
GetType | Ereditato da Object. | |
GetValue | Gets a value of the data value at the specified column position. Ereditato da TraceReader. | |
GetValues | Gets an array of values from the data value at the specified column position. Ereditato da TraceReader. | |
InitializeAsReader | Initializes the specified TraceFile object for reading data from the trace log file. | |
InitializeAsReplayOutputWriter | Initializes the specified TraceFile object for writing data to the trace log file only. | |
InitializeAsWriter | Initializes the specified TraceFile object for reading trace data from a TraceReader object, analyzing the data, and writing data the referenced trace log file. | |
IsDBNull | Specifies whether the specified column is set to null. Ereditato da TraceReader. | |
IsNull | Gets a Boolean value that specifies whether value of the data at the specified column position is null. Ereditato da TraceReader. | |
MemberwiseClone | Ereditato da Object. | |
NextResult | Moves to the next result in the trace. Ereditato da TraceReader. | |
Read | Reads the trace record. Ereditato da TraceReader. | |
ToString | Ereditato da Object. | |
TranslateSubclass | Translates the sub class. Ereditato da TraceReader. | |
Write | Writes the trace to the trace file or the trace table. Ereditato da TraceReaderWriter. |
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Eventi
Nome | Descrizione | |
---|---|---|
WriteNotify | Raises an event when the trace is written to the trace file or trace table. Ereditato da TraceReaderWriter. |
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Campi
Nome | Descrizione | |
---|---|---|
currentRow | Specifies the current row. Ereditato da TraceReader. |
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Osservazioni
With the TraceFile object you can:
Read from a trace log file.
Write to a trace log file.
In addition to the Trace and Replay objects, the trace log file can be accessed manually with Guida di riferimento a SQL Server Profiler or using a set of Transact-SQL stored procedures called Introduzione a Traccia SQL.
Esempi
Protezione dei thread
I membri static (Shared in Visual Basic) pubblici di questo tipo sono affidabili. Non è invece garantita la sicurezza dei membri dell'istanza.
Vedere anche
Riferimento
Spazio dei nomi Microsoft.SqlServer.Management.Trace