Класс ReportParameter
Represents a report parameter.
Иерархия наследования
System. . :: . .Object
ReportService2005..::..ReportParameter
Пространство имен: ReportService2005
Сборка: ReportService2005 (в ReportService2005.dll)
Синтаксис
'Декларация
<SerializableAttribute> _
Public Class ReportParameter
'Применение
Dim instance As ReportParameter
[SerializableAttribute]
public class ReportParameter
[SerializableAttribute]
public ref class ReportParameter
[<SerializableAttribute>]
type ReportParameter = class end
public class ReportParameter
Тип ReportParameter обеспечивает доступ к следующим элементам.
Конструкторы
Имя | Описание | |
---|---|---|
ReportParameter | Initializes a new instance of the ReportParameter class. |
В начало
Свойства
Имя | Описание | |
---|---|---|
AllowBlank | Indicates whether an empty string is a valid value for the parameter. | |
AllowBlankSpecified | Gets or sets a value that indicates whether the AllowBlank property is specified. | |
DefaultValues | Gets or sets the default value of the parameter. | |
DefaultValuesQueryBased | Indicates whether the default values of the parameter are based on a query. | |
DefaultValuesQueryBasedSpecified | Gets or sets a value that indicates whether the DefaultValuesQueryBased property is specified. | |
Dependencies | A list of parameters whose values are used to retrieve additional parameter values in a query. | |
ErrorMessage | The error message returned when a parameter value has failed validation. | |
MultiValue | Indicates whether the parameter is a multi-valued parameter. | |
MultiValueSpecified | Gets or sets a value that indicates whether the MultiValue property is specified. | |
Name | Gets or sets the name of the parameter. | |
Nullable | Indicates whether the value of the parameter can be nullNothingnullptrunitпустая ссылка (Nothing в Visual Basic). | |
NullableSpecified | Gets or sets a value that indicates whether the Nullable property is specified. | |
Prompt | Gets or sets the text that prompts the user for parameter values. | |
PromptUser | Indicates whether the user is prompted for the value of the parameter. | |
PromptUserSpecified | Gets or sets a value that indicates whether the PromptUser property is specified. | |
QueryParameter | Indicates whether the parameter is used in a query. | |
QueryParameterSpecified | Gets or sets a value that indicates whether the QueryParameter property is specified. | |
State | Describes the state (ParameterStateEnum) of the parameter. | |
StateSpecified | Gets or sets a value that indicates whether the State property is specified. | |
Type | Gets or sets the data type (ParameterTypeEnum enumeration) of the parameter. | |
TypeSpecified | Gets or sets a value that indicates whether the Type property is specified. | |
ValidValues | The available ValidValues objects for the parameter. | |
ValidValuesQueryBased | Indicates whether the parameter's valid values are based on a query. | |
ValidValuesQueryBasedSpecified | Gets or sets a value that indicates whether the ValidValuesQueryBased property is specified. |
В начало
Методы
Имя | Описание | |
---|---|---|
Equals | (Производный от Object.) | |
Finalize | (Производный от Object.) | |
GetHashCode | (Производный от Object.) | |
GetType | (Производный от Object.) | |
MemberwiseClone | (Производный от Object.) | |
ToString | (Производный от Object.) |
В начало
Замечания
A ReportParameter object is returned as output by the GetReportParameters method and is passed as input to the SetReportParameters method.
Безопасность многопоточности
Любые открытые статический (Shared в Visual Basic) элементы этого типа потокобезопасны. Потокобезопасность с элементами экземпляров не гарантируется.
См. также