Classe ReportParameter
Represents a report parameter.
Hiérarchie d'héritage
System. . :: . .Object
ReportExecution2005..::..ReportParameter
Espace de noms : ReportExecution2005
Assembly : ReportExecution2005 (en ReportExecution2005.dll)
Syntaxe
'Déclaration
<SerializableAttribute> _
Public Class ReportParameter
'Utilisation
Dim instance As ReportParameter
[SerializableAttribute]
public class ReportParameter
[SerializableAttribute]
public ref class ReportParameter
[<SerializableAttribute>]
type ReportParameter = class end
public class ReportParameter
Le type ReportParameter expose les membres suivants.
Constructeurs
| Nom | Description | |
|---|---|---|
.gif "Méthode publique") |
ReportParameter | Initializes a new instance of the ReportParameter class. |
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Propriétés
| Nom | Description | |
|---|---|---|
.gif "Propriété publique") |
AllowBlank | Indicates whether an empty string is a valid value for the parameter. Read-only. |
|
AllowBlankSpecified | Indicates that the AllowBlank property has been specified. |
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DefaultValues | Gets or sets the default values of the parameter. |
|
DefaultValuesQueryBased | Indicates whether the default values of the parameter are based on a query. Boolean. Read-only. |
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DefaultValuesQueryBasedSpecified | Indicates whether the DefaultValuesQueryBased property has been specified. |
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Dependencies | Gets or sets a list of parameters whose values are used to retrieve additional parameter values in a query. |
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ErrorMessage | An error message, returned when the parameter has failed validation. |
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MultiValue | Indicates whether the parameter can be a multivalue parameter. |
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MultiValueSpecified | Indicates whether the MultiValue property has been specified. |
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Name | Gets or sets the name of the parameter. |
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Nullable | Indicates whether the value of the parameter can be nullNothingnullptrunitune référence Null (Nothing dans Visual Basic). |
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NullableSpecified | Indicates whether the Nullable property has been specified. |
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Prompt | Gets or sets the text that prompts the user to provide parameter values. |
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PromptUser | Indicates whether the user is prompted for the value of the parameter. |
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PromptUserSpecified | Indicates whether a value for the PromptUser property is specified. |
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QueryParameter | Indicates whether the parameter is used in a query to an external data source. |
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QueryParameterSpecified | Indicates whether the ReportParameter property has been specified. |
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State | Describes the state (ParameterStateEnum) of the parameter. |
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StateSpecified | Indicates whether the State property has been specified. |
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Type | The data type (ParameterTypeEnum) of the parameter. |
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TypeSpecified | Indicates whether the Type property has been specified. |
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ValidValues | The available valid values for the parameter. Read-only. |
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ValidValuesQueryBased | Indicates whether the parameter's valid values are based on a query. Read-only. |
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ValidValuesQueryBasedSpecified | Indicates whether the ValidValuesQueryBased property has been specified. |
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Méthodes
| Nom | Description | |
|---|---|---|
|
Equals | (hérité de Object.) |
.gif "Méthode protégée") |
Finalize | (hérité de Object.) |
|
GetHashCode | (hérité de Object.) |
|
GetType | (hérité de Object.) |
|
MemberwiseClone | (hérité de Object.) |
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ToString | (hérité de Object.) |
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Notes
A ReportParameter object is returned as output by the GetReportParameters method and is passed as input to the SetReportParameters method.
The value of the ReportParameter may change if the user calls SetReportDefinition.
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