Struttura ReportExpression

Represents a report expression.

Spazio dei nomi  Microsoft.ReportingServices.RdlObjectModel
Assembly:  Microsoft.ReportingServices.Designer.Controls (in Microsoft.ReportingServices.Designer.Controls.dll)

Sintassi

'Dichiarazione
Public Structure ReportExpression _
    Implements IExpression, IXmlSerializable, IFormattable
'Utilizzo
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 supporta l'utilizzo di strutture, ma non la dichiarazione di nuove strutture.

Nel tipo ReportExpression sono esposti i membri seguenti.

Costruttori

	Nome	Descrizione
	ReportExpression(Boolean)	Infrastruttura. Initializes a new instance of the ReportExpression class.
	ReportExpression(DateTime)	Infrastruttura. Initializes a new instance of the ReportExpression class.
	ReportExpression(Double)	Infrastruttura. Initializes a new instance of the ReportExpression class.
	ReportExpression(Int32)	Infrastruttura. 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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Proprietà

	Nome	Descrizione
	DataType	Gets or sets the data type of the evaluated expression.
	Empty	Infrastruttura. 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	Infrastruttura. 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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Metodi

	Nome	Descrizione
	BuildFieldReference(String)	Infrastruttura. Builds a reference to the field.
	BuildFieldReference(String, String)	Infrastruttura. Builds a reference to the field.
	BuildFunctionCall	Infrastruttura. Builds a function call expression.
	BuildGlobalReference	Infrastruttura. Builds a global reference expression.
	BuildNullValue	Infrastruttura. Builds a null value expression.
	BuildParameterReference(String)	Infrastruttura. Builds a parameter reference.
	BuildParameterReference(String, String)	Infrastruttura. Builds a parameter reference.
	BuildStringLiteral	Infrastruttura. Builds a string literal expression.
	BuildUserReference	Infrastruttura. Builds a user reference expression.
	Equals	Tests the equality of the current instance with another expression. Esegue l'override di ValueType.Equals(Object).
	GetDependencies	Gets dependencies from the parent object.
	GetFieldReference	Infrastruttura. Gets a field reference for the expression.
	GetHashCode	Gets a unique hash code for the current instance. Esegue l'override di ValueType.GetHashCode().
	GetType	Ereditato da Object.
	IsAggregateExpression	Infrastruttura. 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. Esegue l'override di ValueType.ToString().
	ToString(String, IFormatProvider)	Converts the current ReportExpression instance to a string.

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Operatori

	Nome	Descrizione
	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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Implementazioni esplicite dell'interfaccia

	Nome	Descrizione
	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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Protezione dei thread

I membri static (Shared in Visual Basic) pubblici di questo tipo sono affidabili. Non è invece garantita la sicurezza dei membri dell'istanza.

Vedere anche

Riferimento

Spazio dei nomi Microsoft.ReportingServices.RdlObjectModel