ExpressionEvaluatorClass Kelas

Referensi

Definisi

Ruang nama:: Microsoft.SqlServer.Dts.Runtime.Wrapper

Rakitan:: Microsoft.SqlServer.DTSRuntimeWrap.dll

Penting

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Menyediakan properti dan metode virtual untuk IDTSExpressionEvaluator100 antarmuka.

public ref class ExpressionEvaluatorClass : Microsoft::SqlServer::Dts::Runtime::Wrapper::ExpressionEvaluator

[System.Runtime.InteropServices.ClassInterface(System.Runtime.InteropServices.ClassInterfaceType.None)]
[System.Runtime.InteropServices.Guid("AA05297E-8D4E-42DA-A202-4089915B4D5F")]
[System.Runtime.InteropServices.TypeLibType(System.Runtime.InteropServices.TypeLibTypeFlags.FCanCreate)]
public class ExpressionEvaluatorClass : Microsoft.SqlServer.Dts.Runtime.Wrapper.ExpressionEvaluator

[System.Runtime.InteropServices.ClassInterface(System.Runtime.InteropServices.ClassInterfaceType.None)]
[System.Runtime.InteropServices.TypeLibType(System.Runtime.InteropServices.TypeLibTypeFlags.FCanCreate)]
[System.Runtime.InteropServices.Guid("18CADA43-5BC6-4C16-BA94-F6C26C9876F2")]
public class ExpressionEvaluatorClass : Microsoft.SqlServer.Dts.Runtime.Wrapper.ExpressionEvaluator

[System.Runtime.InteropServices.ClassInterface(System.Runtime.InteropServices.ClassInterfaceType.None)]
[System.Runtime.InteropServices.TypeLibType(System.Runtime.InteropServices.TypeLibTypeFlags.FCanCreate)]
[System.Runtime.InteropServices.Guid("0B255723-C793-412E-97D9-691F358EB414")]
public class ExpressionEvaluatorClass : Microsoft.SqlServer.Dts.Runtime.Wrapper.ExpressionEvaluator

[<System.Runtime.InteropServices.ClassInterface(System.Runtime.InteropServices.ClassInterfaceType.None)>]
[<System.Runtime.InteropServices.Guid("AA05297E-8D4E-42DA-A202-4089915B4D5F")>]
[<System.Runtime.InteropServices.TypeLibType(System.Runtime.InteropServices.TypeLibTypeFlags.FCanCreate)>]
type ExpressionEvaluatorClass = class
    interface IDTSExpressionEvaluator100
    interface ExpressionEvaluator

[<System.Runtime.InteropServices.ClassInterface(System.Runtime.InteropServices.ClassInterfaceType.None)>]
[<System.Runtime.InteropServices.TypeLibType(System.Runtime.InteropServices.TypeLibTypeFlags.FCanCreate)>]
[<System.Runtime.InteropServices.Guid("18CADA43-5BC6-4C16-BA94-F6C26C9876F2")>]
type ExpressionEvaluatorClass = class
    interface IDTSExpressionEvaluator100
    interface ExpressionEvaluator

[<System.Runtime.InteropServices.ClassInterface(System.Runtime.InteropServices.ClassInterfaceType.None)>]
[<System.Runtime.InteropServices.TypeLibType(System.Runtime.InteropServices.TypeLibTypeFlags.FCanCreate)>]
[<System.Runtime.InteropServices.Guid("0B255723-C793-412E-97D9-691F358EB414")>]
type ExpressionEvaluatorClass = class
    interface IDTSExpressionEvaluator100
    interface ExpressionEvaluator

Public Class ExpressionEvaluatorClass
Implements ExpressionEvaluator

Warisan: Object
ExpressionEvaluatorClass

Atribut: ClassInterfaceAttribute GuidAttribute TypeLibTypeAttribute

Penerapan: ExpressionEvaluator IDTSExpressionEvaluator100

Konstruktor

ExpressionEvaluatorClass()

Menginisialisasi instans baru kelas ExpressionEvaluatorClass.

Properti

EvaluatorContext	Mengatur konteks evaluator.
Events	Mengatur peristiwa yang dapat dinaikkan selama evaluasi.
Expression	Mengatur ekspresi string untuk dievaluasi.
LocaleID	Mendapatkan atau mengatur pengidentifikasi lokal.

Metode

Evaluate(IDTSVariableDispenser100, Object, Boolean)	Memanggil evaluator ekspresi eksternal yang mengevaluasi ekspresi.
IsAssignmentExpression(IDTSVariableDispenser100, Boolean)	Menentukan apakah ekspresi adalah ekspresi penugasan.
IsBooleanExpression(IDTSVariableDispenser100, Boolean)	Menentukan apakah ekspresi tersebut adalah ekspresi Boolean.

Berlaku untuk