ReportExpression(T) 結構

Represents an expression in the report.

命名空間：  Microsoft.ReportingServices.RdlObjectModel
組件：  Microsoft.ReportingServices.Designer.Controls (在 Microsoft.ReportingServices.Designer.Controls.dll 中)

語法

'宣告
Public Structure ReportExpression(Of T As {Structure, New}) _
    Implements IExpression, IXmlSerializable, IFormattable
'用途
Dim instance As ReportExpression(Of T)

public struct ReportExpression<T> : IExpression, 
    IXmlSerializable, IFormattable
where T : struct, new()

generic<typename T>
where T : value class, gcnew()
public value class ReportExpression : IExpression, 
    IXmlSerializable, IFormattable

[<SealedAttribute>]
type ReportExpression<'T when 'T : struct, new()> =  
    struct
        interface IExpression
        interface IXmlSerializable
        interface IFormattable
    end

JScript 不支援一般類型和方法。

型別參數

• T

ReportExpression<(Of <(<'T>)>)> 型別公開下列成員。

建構函式

	名稱	說明
	ReportExpression< (Of < ( <'T> ) > ) >(String)	Initializes a new instance of the ReportExpression<(Of <(<'T>)>)> class.
	ReportExpression< (Of < ( <'T> ) > ) >(T)	Initializes a new instance of the ReportExpression<(Of <(<'T>)>)> class.
	ReportExpression< (Of < ( <'T> ) > ) >(String, IFormatProvider)	Initializes a new instance of the ReportExpression<(Of <(<'T>)>)> class.

上層

屬性

	名稱	說明
	Expression	The expression value.
	IsEmpty	Indicates whether the expression object is empty.
	IsExpression	Whether this is an expression.
	Value	The calculated value.

上層

方法

	名稱	說明
	Equals	Tests the equality of the Value property with another object. (覆寫 ValueType. . :: . .Equals(Object)。)
	Finalize	(繼承自 Object。)
	GetDependencies
	GetHashCode	Gets a unique hash code for this instance. (覆寫 ValueType. . :: . .GetHashCode() () () ()。)
	GetType	(繼承自 Object。)
	MemberwiseClone	(繼承自 Object。)
	Parse	Parses a string value into a ReportExpression<(Of <(<'T>)>)> object.
	ToString() () () ()	Converts the current ReportExpression<(Of <(<'T>)>)> object to a string. (覆寫 ValueType. . :: . .ToString() () () ()。)
	ToString(String, IFormatProvider)	Converts the current ReportExpression<(Of <(<'T>)>)> object to a string.

上層

運算子

	名稱	說明
	Equality(String, ReportExpression< (Of < <' (T> ) > > ))	Tests the equality between an expression and a ReportExpression<(Of <(<'T>)>)> object.
	Equality(T, ReportExpression< (Of < <' (T> ) > > ))	Tests the equality between an object and a ReportExpression<(Of <(<'T>)>)> object.
	Equality(ReportExpression< (Of < <' (T> ) > > ), ReportExpression< (Of < <' (T> ) > > ))	Tests the equality between two ReportExpression<(Of <(<'T>)>)> objects.
	Equality(ReportExpression< (Of < <' (T> ) > > ), String)	Tests the equality between an expression and a ReportExpression<(Of <(<'T>)>)> object.
	Equality(ReportExpression< (Of < <' (T> ) > > ), T)	Tests the equality between an object and a ReportExpression<(Of <(<'T>)>)> object.
	Explicit Narrowing Explicit Explicit Explicit(ReportExpression< (Of < <' (T> ) > > ) to T)	Converts the value of a ReportExpression<(Of <(<'T>)>)> to an object of type T.
	Explicit Narrowing Explicit Explicit Explicit(ReportExpression< (Of < <' (T> ) > > ) to String)	Converts the value of a ReportExpression<(Of <(<'T>)>)> to a string.
	Implicit Widening Implicit Implicit Implicit(Nullable< (Of < <' (T> ) > > ) to ReportExpression< (Of < <' (T> ) > > ))	Converts a Nullable<(Of <(<'T>)>)> object to a ReportExpression<(Of <(<'T>)>)>.
	Implicit Widening Implicit Implicit Implicit(T to ReportExpression< (Of < <' (T> ) > > ))	Converts an object of type T to a ReportExpression<(Of <(<'T>)>)>.
	Inequality(String, ReportExpression< (Of < <' (T> ) > > ))	Tests the inequality between an expression and a ReportExpression<(Of <(<'T>)>)> object.
	Inequality(T, ReportExpression< (Of < <' (T> ) > > ))	Tests the inequality between an object of type T and a ReportExpression<(Of <(<'T>)>)> object.
	Inequality(ReportExpression< (Of < <' (T> ) > > ), ReportExpression< (Of < <' (T> ) > > ))	Tests the inequality between two ReportExpression<(Of <(<'T>)>)> objects.
	Inequality(ReportExpression< (Of < <' (T> ) > > ), String)	Tests the inequality between an expression and a ReportExpression<(Of <(<'T>)>)> object.
	Inequality(ReportExpression< (Of < <' (T> ) > > ), T)	Tests the inequality between an object of type T and a ReportExpression<(Of <(<'T>)>)> object.

上層

明確 繼承 實作

	名稱	說明
	IXmlSerializable. . :: . .GetSchema
	IXmlSerializable. . :: . .ReadXml
	IXmlSerializable. . :: . .WriteXml
	IExpression. . :: . .Value

上層

執行緒安全性

這個型別的任何公用 static (在 Visual Basic 中為 Shared) 成員都是執行緒安全的。並不是所有的執行個體成員都保證可以用於所有的執行緒。

請參閱

參考

Microsoft.ReportingServices.RdlObjectModel 命名空間