ReportExpression 結構

Represents a report expression.

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 _
    Implements IExpression, IXmlSerializable, IFormattable
'用途
Dim instance As ReportExpression

public struct ReportExpression : IExpression, 
    IXmlSerializable, IFormattable

public value class ReportExpression : IExpression, 
    IXmlSerializable, IFormattable

[<SealedAttribute>]
type ReportExpression =  
    struct 
        interface IExpression 
        interface IXmlSerializable 
        interface IFormattable 
    end

JScript 支援結構的使用，但不支援結構的宣告。

ReportExpression 型別公開下列成員。

建構函式

	名稱	說明
	ReportExpression(Boolean)	基礎結構。Initializes a new instance of the ReportExpression class.
	ReportExpression(DateTime)	基礎結構。Initializes a new instance of the ReportExpression class.
	ReportExpression(Double)	基礎結構。Initializes a new instance of the ReportExpression class.
	ReportExpression(Int32)	基礎結構。Initializes a new instance of the ReportExpression class.
	ReportExpression(String)	Initializes a new instance of the ReportExpression class.
	ReportExpression(String, EvaluationMode)	Initializes a new instance of the ReportExpression class.

上層

屬性

	名稱	說明
	DataType	Gets or sets the data type of the evaluated expression.
	Empty	基礎結構。Gets the empty report expression object.
	EvaluationMode	Gets or sets the evaluation mode for the report expression.
	Expression	Gets or sets the expression string.
	IsEmpty	基礎結構。Gets whether the report expression is empty.
	IsExpression	Gets a value that indicates whether this is an expression.
	Value	Gets or sets the value of the expression.

上層

方法

	名稱	說明
	BuildFieldReference(String)	基礎結構。Builds a reference to the field.
	BuildFieldReference(String, String)	基礎結構。Builds a reference to the field.
	BuildFunctionCall	基礎結構。Builds a function call expression.
	BuildGlobalReference	基礎結構。Builds a global reference expression.
	BuildNullValue	基礎結構。Builds a null value expression.
	BuildParameterReference(String)	基礎結構。Builds a parameter reference.
	BuildParameterReference(String, String)	基礎結構。Builds a parameter reference.
	BuildStringLiteral	基礎結構。Builds a string literal expression.
	BuildUserReference	基礎結構。Builds a user reference expression.
	Equals	Tests the equality of the current instance with another expression. (覆寫 ValueType.Equals(Object)。)
	GetDependencies	Gets dependencies from the parent object.
	GetFieldReference	基礎結構。Gets a field reference for the expression.
	GetHashCode	Gets a unique hash code for the current instance. (覆寫 ValueType.GetHashCode()。)
	GetType	(繼承自 Object。)
	IsAggregateExpression	基礎結構。Specifies whether the report expression is an aggregate expression.
	IsExpressionString	Indicates whether a string is an expression.
	ToString()	Converts the current ReportExpression instance to a string. (覆寫 ValueType.ToString()。)
	ToString(String, IFormatProvider)	Converts the current ReportExpression instance to a string.

上層

運算子

	名稱	說明
	Equality(String, ReportExpression)	Tests the equality of two expressions.
	Equality(ReportExpression, ReportExpression)	Tests the equality of two expressions.
	Equality(ReportExpression, String)	Tests the equality of two expressions.
	Explicit(ReportExpression to String)	Converts a ReportExpression object to an expression string.
	Implicit(String to ReportExpression)	Converts an expression string to a ReportExpression object.
	Inequality(String, ReportExpression)	Tests the inequality of two expressions.
	Inequality(ReportExpression, ReportExpression)	Tests the inequality of two expressions.
	Inequality(ReportExpression, String)	Tests the inequality of two expressions.

上層

明確繼承實作

	名稱	說明
	IXmlSerializable.GetSchema	Returns the xml schema.
	IXmlSerializable.ReadXml	Reads xml documentation.
	IXmlSerializable.WriteXml	Writes xml documentation.
	IExpression.Value	Gets or sets the expression value.