ParameterDefaults Element (ADF)
Contains the definition of one or more parameters for the application definition file (ADF).
语法
<Application>
<ParameterDefaults>
Element Characteristics
| Characteristic | Description |
|---|---|
Data type and length |
None. |
Default value |
None. |
Occurrence |
Optional once per Application element. |
Updates |
Can be added and deleted when updating the application. |
Element Relationships
| Relationship | Elements |
|---|---|
Parent element |
|
Child elements |
备注
In your ADF, you can use a parameter for any element's value. The parameter takes the form %ParameterName%. You can provide values for these parameters in two places:
- In the ADF ParameterDefaults section.
- In the instance configuration file (ICF) Application/Parameters section.
You can also use parameters within the ICF, which provides additional methods of supplying parameter values. For more information, see 使用实例配置文件中的参数.
示例
The following example shows how to define parameter defaults in the ADF. It defines a SysName value that replaces any %SysName% string elsewhere in the ADF and a RetryInterval value that replaces any %RetryInterval% string elsewhere in the ADF.
<ParameterDefaults>
<Parameter>
<Name>SysName</Name>
<Value>SERVER01</Value>
</Parameter>
<Parameter>
<Name>RetryInterval</Name>
<Value>P0DT00H15M00S</Value>
</Parameter>
</ParameterDefaults>
As a result, if the ADF has the following for a SystemName element:
<SystemName>%SysName%</SystemName>
Microsoft SQL Server Notification Services will replace the parameter when you create the instance so that the effective SystemName definition is this:
<SystemName>SERVER01</SystemName>
请参阅
参考
Application Definition File Reference
其他资源
使用应用程序定义文件 (ADF) 中的参数
更新实例和应用程序