Структура ReportExpression
Represents a report expression.
Пространство имен: Microsoft.ReportingServices.RdlObjectModel
Сборка: Microsoft.ReportingServices.Designer.Controls (в Microsoft.ReportingServices.Designer.Controls.dll)
Синтаксис
'Декларация
Public Structure ReportExpression _
Implements IExpression, IXmlSerializable, IFormattable
'Применение
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 поддерживает использование структур, но не объявление новых.
Тип ReportExpression обеспечивает доступ к следующим элементам.
Конструкторы
Имя | Описание | |
---|---|---|
ReportExpression(Boolean) | Инфраструктура. Initializes a new instance of the ReportExpression class. | |
ReportExpression(DateTime) | Инфраструктура. Initializes a new instance of the ReportExpression class. | |
ReportExpression(Double) | Инфраструктура. Initializes a new instance of the ReportExpression class. | |
ReportExpression(Int32) | Инфраструктура. 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. |
В начало
Свойства
Имя | Описание | |
---|---|---|
DataType | Gets or sets the data type of the evaluated expression. | |
Empty | Инфраструктура. 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 | Инфраструктура. 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. |
В начало
Методы
Имя | Описание | |
---|---|---|
BuildFieldReference(String) | Инфраструктура. Builds a reference to the field. | |
BuildFieldReference(String, String) | Инфраструктура. Builds a reference to the field. | |
BuildFunctionCall | Инфраструктура. Builds a function call expression. | |
BuildGlobalReference | Инфраструктура. Builds a global reference expression. | |
BuildNullValue | Инфраструктура. Builds a null value expression. | |
BuildParameterReference(String) | Инфраструктура. Builds a parameter reference. | |
BuildParameterReference(String, String) | Инфраструктура. Builds a parameter reference. | |
BuildStringLiteral | Инфраструктура. Builds a string literal expression. | |
BuildUserReference | Инфраструктура. Builds a user reference expression. | |
Equals | Tests the equality of the current instance with another expression. (Переопределяет ValueType.Equals(Object).) | |
GetDependencies | Gets dependencies from the parent object. | |
GetFieldReference | Инфраструктура. Gets a field reference for the expression. | |
GetHashCode | Gets a unique hash code for the current instance. (Переопределяет ValueType.GetHashCode().) | |
GetType | (Производный от Object.) | |
IsAggregateExpression | Инфраструктура. 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. (Переопределяет ValueType.ToString().) | |
ToString(String, IFormatProvider) | Converts the current ReportExpression instance to a string. |
В начало
Операторы
Имя | Описание | |
---|---|---|
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. |
В начало
Явные реализации интерфейса
Имя | Описание | |
---|---|---|
IXmlSerializable.GetSchema | Returns the xml schema. | |
IXmlSerializable.ReadXml | Reads xml documentation. | |
IXmlSerializable.WriteXml | Writes xml documentation. | |
IExpression.Value | Gets or sets the expression value. |
В начало
Безопасность многопоточности
Любые открытые статический (Shared в Visual Basic) элементы этого типа потокобезопасны. Потокобезопасность с элементами экземпляров не гарантируется.
См. также
Справочник
Пространство имен Microsoft.ReportingServices.RdlObjectModel