Structure ReportExpression

Represents a report expression.

Espace de noms :  Microsoft.ReportingServices.RdlObjectModel
Assembly :  Microsoft.ReportingServices.Designer.Controls (en Microsoft.ReportingServices.Designer.Controls.dll)

Syntaxe

'Déclaration
Public Structure ReportExpression _
    Implements IExpression, IXmlSerializable, IFormattable
'Utilisation
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 prend en charge l'utilisation de structures, mais pas la déclaration de nouvelles structures.

Le type ReportExpression expose les membres suivants.

Constructeurs

	Nom	Description
	ReportExpression(Boolean)	Infrastructure. Initializes a new instance of the ReportExpression class.
	ReportExpression(DateTime)	Infrastructure. Initializes a new instance of the ReportExpression class.
	ReportExpression(Double)	Infrastructure. Initializes a new instance of the ReportExpression class.
	ReportExpression(Int32)	Infrastructure. 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.

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Propriétés

	Nom	Description
	DataType	Gets or sets the data type of the evaluated expression.
	Empty	Infrastructure. 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	Infrastructure. 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.

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Méthodes

	Nom	Description
	BuildFieldReference(String)	Infrastructure. Builds a reference to the field.
	BuildFieldReference(String, String)	Infrastructure. Builds a reference to the field.
	BuildFunctionCall	Infrastructure. Builds a function call expression.
	BuildGlobalReference	Infrastructure. Builds a global reference expression.
	BuildNullValue	Infrastructure. Builds a null value expression.
	BuildParameterReference(String)	Infrastructure. Builds a parameter reference.
	BuildParameterReference(String, String)	Infrastructure. Builds a parameter reference.
	BuildStringLiteral	Infrastructure. Builds a string literal expression.
	BuildUserReference	Infrastructure. Builds a user reference expression.
	Equals	Tests the equality of the current instance with another expression. (remplace ValueType.Equals(Object).)
	GetDependencies	Gets dependencies from the parent object.
	GetFieldReference	Infrastructure. Gets a field reference for the expression.
	GetHashCode	Gets a unique hash code for the current instance. (remplace ValueType.GetHashCode().)
	GetType	(hérité de Object.)
	IsAggregateExpression	Infrastructure. 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. (remplace ValueType.ToString().)
	ToString(String, IFormatProvider)	Converts the current ReportExpression instance to a string.

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Opérateurs

	Nom	Description
	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.

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Implémentations d'interfaces explicites

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

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Sécurité des threads

Tous les membres publics static (Shared dans Visual Basic) de ce type sont thread-safe. Tous les membres de l'instance ne sont pas garantis comme étant thread-safe.

Voir aussi

Référence

Espace de noms Microsoft.ReportingServices.RdlObjectModel