ReportParameter 类
Contains information about a parameter to the report.
继承层次结构
System. . :: . .Object
Microsoft.ReportingServices.RdlObjectModel. . :: . .ReportObjectBase
Microsoft.ReportingServices.RdlObjectModel. . :: . .ReportObject
Microsoft.ReportingServices.RdlObjectModel..::..ReportParameter
命名空间: Microsoft.ReportingServices.RdlObjectModel
程序集: Microsoft.ReportingServices.Designer.Controls(在 Microsoft.ReportingServices.Designer.Controls.dll 中)
语法
声明
Public Class ReportParameter _
Inherits ReportObject
用法
Dim instance As ReportParameter
public class ReportParameter : ReportObject
public ref class ReportParameter : public ReportObject
type ReportParameter =
class
inherit ReportObject
end
public class ReportParameter extends ReportObject
ReportParameter 类型公开以下成员。
构造函数
| 名称 | 说明 | |
|---|---|---|
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ReportParameter() () () () | Creates a new instance of the ReportParameter class. |
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ReportParameter(IPropertyStore) | Creates a new instance of the ReportParameter class. |
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属性
| 名称 | 说明 | |
|---|---|---|
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AllowBlank | Indicates the value for this parameter is allowed to be the empty string. |
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DataType | The data type of the parameter. |
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DefaultValue | Default value to use for the parameter (if not provided by the user). If no value is provided as a part of the definition or by the user, the value is null. Required if there is no Prompt and either Nullable is False or a ValidValues list is provided that does not contain Null (an omitted Value). |
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Hidden | Indicates the parameter should not be displayed to the user (however, it will still be available for programmatic use with subreports, drillthrough reports etc.). |
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MultiValue | Indicates this is a multivalue parameter (a parameter that can take a set of values). |
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Name | The report parameter name. |
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Nullable | Indicates the value for this parameter is allowed to be Null. |
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Parent | The parent of this report object. (从 ReportObjectBase 继承。) |
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Prompt | The user prompt to display when asking for parameter values |
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PromptLocID | The unique identifier for the Prompt property. |
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PropertyStore | The property store. (从 ReportObjectBase 继承。) |
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Site | 基础结构。 (从 ReportObject 继承。) |
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UsedInQuery | Indicates whether or not the parameter is used in a query in the report. |
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ValidValues | Possible values for the parameter (for the end-user UI) |
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方法
| 名称 | 说明 | |
|---|---|---|
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DeepClone | Returns a deep clone of this ReportObject instance. (从 ReportObject 继承。) |
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Equals | (从 Object 继承。) |
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Finalize | (从 Object 继承。) |
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GetAncestor< (Of < <' (T> ) > > ) | The ancestor of this report object. (从 ReportObject 继承。) |
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GetContainingDataScopes | The containing data scopes. (从 ReportObject 继承。) |
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GetDataScopesForDefaultImpl | 基础结构。 (从 ReportObject 继承。) |
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GetHashCode | (从 Object 继承。) |
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GetType | (从 Object 继承。) |
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Initialize | 基础结构。 (从 ReportObject 继承。) |
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InitializeForDesigner | 基础结构。 (从 ReportObject 继承。) |
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MemberwiseClone | (从 Object 继承。) |
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OnChildPropertyChanged | 基础结构。 (从 ReportObject 继承。) |
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OnPropertyChanged | 基础结构。 (从 ReportObject 继承。) |
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SavePropertyValue< (Of < <' (T> ) > > ) | 基础结构。 (从 ReportObject 继承。) |
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ToString | (从 Object 继承。) |
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WrapPropertyStore | 基础结构。 (从 ReportObject 继承。) |
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显式接口实现
| 名称 | 说明 | |
|---|---|---|
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IDisposable. . :: . .Dispose | (从 ReportObject 继承。) |
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IComponent. . :: . .Disposed | (从 ReportObject 继承。) |
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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。
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