ReportParameter 类

Represents a report parameter.

继承层次结构

System. . :: . .Object
  ReportService2005..::..ReportParameter

命名空间：  ReportService2005
程序集：  ReportService2005（在 ReportService2005.dll 中）

语法

声明
<SerializableAttribute> _
Public Class ReportParameter
用法
Dim instance As ReportParameter

[SerializableAttribute]
public class ReportParameter

[SerializableAttribute]
public ref class ReportParameter

[<SerializableAttribute>]
type ReportParameter =  class end

public class ReportParameter

ReportParameter 类型公开以下成员。

构造函数

	名称	说明
	ReportParameter	Initializes a new instance of the ReportParameter class.

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属性

	名称	说明
	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 nullNothingnullptrunitnull 引用（在 Visual Basic 中为 Nothing）.
	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.

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方法

	名称	说明
	Equals	（从 Object 继承。）
	Finalize	（从 Object 继承。）
	GetHashCode	（从 Object 继承。）
	GetType	（从 Object 继承。）
	MemberwiseClone	（从 Object 继承。）
	ToString	（从 Object 继承。）

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注释

A ReportParameter object is returned as output by the GetReportParameters method and is passed as input to the SetReportParameters method.

线程安全

此类型的任何公共 static（在 Visual Basic 中为 Shared） 成员都是线程安全的。不保证所有实例成员都是线程安全的。

请参阅

参考

ReportService2005 命名空间

其他资源

设置已发布报表的参数属性