ReportExpression<T> 结构

2013-04-26

Represents an expression in the report.

命名空间： Microsoft.ReportingServices.RdlObjectModel
程序集： Microsoft.ReportingServices.Designer.Controls（在 Microsoft.ReportingServices.Designer.Controls.dll 中）

语法

声明
Public Structure ReportExpression(Of T As {Structure, New}) _
    Implements IExpression, IXmlSerializable, IFormattable
用法
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 不支持一般类型和方法。

类型参数

T
The type of the expression.

ReportExpression<T> 类型公开以下成员。

构造函数

	名称	说明
	ReportExpression<T>(String)	Initializes a new instance of the ReportExpression<T> class.
	ReportExpression<T>(T)	Initializes a new instance of the ReportExpression<T> class.
	ReportExpression<T>(String, IFormatProvider)	Initializes a new instance of the ReportExpression<T> class.

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属性

	名称	说明
	Expression	Gets or sets the expression value.
	IsEmpty	Gets or sets a value that indicates whether the expression object is empty.
	IsExpression	Gets a value that indicates whether this is an expression.
	Value	Gets or sets the calculated value.

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方法

	名称	说明
	Equals	Tests the equality of the Value property with another object. （覆盖 ValueType.Equals(Object)。）
	GetDependencies	Gets the object’s dependencies.
	GetHashCode	Gets a unique hash code for this instance. （覆盖 ValueType.GetHashCode()。）
	GetType	（从 Object 继承。）
	Parse	Parses a string value into a ReportExpression<T> object.
	ToString()	Converts the current ReportExpression<T> object to a string. （覆盖 ValueType.ToString()。）
	ToString(String, IFormatProvider)	Converts the current ReportExpression<T> object to a string.

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运算符

	名称	说明
	Equality(String, ReportExpression<T>)	Tests the equality between an expression and a ReportExpression<T> object.
	Equality(T, ReportExpression<T>)	Tests the equality between an object and a ReportExpression<T> object.
	Equality(ReportExpression<T>, ReportExpression<T>)	Tests the equality between two ReportExpression<T> objects.
	Equality(ReportExpression<T>, String)	Tests the equality between an expression and a ReportExpression<T> object.
	Equality(ReportExpression<T>, T)	Tests the equality between an object and a ReportExpression<T> object.
	Explicit(ReportExpression<T> to T)	Converts the value of a ReportExpression<T> to an object of type T.
	Explicit(ReportExpression<T> to String)	Converts the value of a ReportExpression<T> to a string.
	Implicit(Nullable<T> to ReportExpression<T>)	Converts a Nullable<T> object to a ReportExpression<T>.
	Implicit(T to ReportExpression<T>)	Converts an object of type T to a ReportExpression<T>.
	Inequality(String, ReportExpression<T>)	Tests the inequality between an expression and a ReportExpression<T> object.
	Inequality(T, ReportExpression<T>)	Tests the inequality between an object of type T and a ReportExpression<T> object.
	Inequality(ReportExpression<T>, ReportExpression<T>)	Tests the inequality between two ReportExpression<T> objects.
	Inequality(ReportExpression<T>, String)	Tests the inequality between an expression and a ReportExpression<T> object.
	Inequality(ReportExpression<T>, T)	Tests the inequality between an object of type T and a ReportExpression<T> object.

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显式接口实现

	名称	说明
	IXmlSerializable.GetSchema	Returns the xml schema.
	IXmlSerializable.ReadXml	Reads the xml document of the expression.
	IXmlSerializable.WriteXml	Writes the xml document of the expression.
	IExpression.Value	Gets or sets the value of the expression.