ItemParameter 类

Represents an item parameter.

继承层次结构

System. . :: . .Object
  ReportService2010..::..ItemParameter

命名空间：  ReportService2010
程序集：  ReportService2010（在 ReportService2010.dll 中）

语法

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

[SerializableAttribute]
public class ItemParameter

[SerializableAttribute]
public ref class ItemParameter

[<SerializableAttribute>]
type ItemParameter =  class end

public class ItemParameter

ItemParameter 类型公开以下成员。

构造函数

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

页首

属性

	名称	说明
	AllowBlank	Gets or sets a value that 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 values for the parameter.
	DefaultValuesQueryBased	Gets or sets a value that indicates whether the default values for the parameter are based on a query.
	DefaultValuesQueryBasedSpecified	Gets or sets a value that indicates whether the DefaultValuesQueryBased property is specified.
	Dependencies	Gets or sets a list of parameters whose values are used to retrieve additional parameter values in a query.
	ErrorMessage	Gets the error message returned when a parameter value has failed validation.
	MultiValue	Gets or sets a value that indicates whether the parameter is a multivalued 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	Gets or sets a value that 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.
	ParameterStateName	Gets or sets the state of the parameter.
	ParameterTypeName	Gets or sets the data type of the parameter.
	Prompt	Gets or sets the text that prompts the user for parameter values.
	PromptUser	Gets or sets a value that 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	Gets or sets a value that indicates whether the parameter is used in a query.
	QueryParameterSpecified	Gets or sets a value that indicates whether the QueryParameter property is specified.
	ValidValues	Gets or sets the available ValidValue objects for the parameter.
	ValidValuesQueryBased	Gets or sets a value that 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.

页首

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。）

页首

注释

A ItemParameter object is returned as output by the GetItemParameters(String, String, Boolean, array<ParameterValue>[]()[][], array<DataSourceCredentials>[]()[][]) method and is passed as input to the SetItemParameters(String, array<ItemParameter>[]()[][]) 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

ReportService2010 命名空间