ASP. NET miscellaneous-everything starts from web. config (2) (detailed description of ConfigSections-on)

 

ConfigSections Structure

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First, let's review the ConfigSections structure and its sub-nodes as follows:

1: <configSections>
2: <sectionGroup name = "system. web. extensions "type =" System. web. configuration. systemWebExtensionsSectionGroup, System. web. extensions, Version = 3.5.0.0, Culture = neutral, PublicKeyToken = 31BF3856AD364E35 ">
3: <sectionGroup name = "scripting" type = "System. Web. Configuration. ScriptingSectionGroup, System. Web. Extensions, Version = 3.5.0.0, Culture = neutral, PublicKeyToken = 31BF3856AD364E35">
4: <section name = "scriptResourceHandler" type = "System. Web. Configuration. ScriptingScriptResourceHandlerSection, System. Web. Extensions, Version = 3.5.0.0, Culture = neutral, PublicKeyToken = 31BF3856AD364E35"
5: requirePermission = "false" allowDefinition = "MachineToApplication"/>
6: <sectionGroup name = "webServices" type = "System. Web. Configuration. ScriptingWebServicesSectionGroup, System. Web. Extensions, Version = 3.5.0.0, Culture = neutral, PublicKeyToken = 31BF3856AD364E35">
7: <section name = "jsonSerialization" type = "System. Web. Configuration. ScriptingJsonSerializationSection, System. Web. Extensions, Version = 3.5.0.0, Culture = neutral, PublicKeyToken = 31BF3856AD364E35"
8: requirePermission = "false" allowDefinition = "Everywhere"/>
9: <section name = "profileService" type = "System. Web. Configuration. ScriptingProfileServiceSection, System. Web. Extensions, Version = 3.5.0.0, Culture = neutral, PublicKeyToken = 31BF3856AD364E35"
10: requirePermission = "false" allowDefinition = "MachineToApplication"/>
11: <section name = "authenticationService" type = "System. Web. Configuration. ScriptingAuthenticationServiceSection, System. Web. Extensions, Version = 3.5.0.0, Culture = neutral, PublicKeyToken = 31BF3856AD364E35"
12: requirePermission = "false" allowDefinition = "MachineToApplication"/>
13: <section name = "roleService" type = "System. Web. Configuration. ScriptingRoleServiceSection, System. Web. Extensions, Version = 3.5.0.0, Culture = neutral, PublicKeyToken = 31BF3856AD364E35"
14: requirePermission = "false" allowDefinition = "MachineToApplication"/>
15: </sectionGroup>
16: </sectionGroup>
17: </sectionGroup>
18: </configSections>

ConfigSectins attributes and subnodes

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Attribute
:

None.

Subnode description:

Node name	Function Description
SectionGroup	Define the configuration section handler and ConfigurationSection.
Section	Define the configuration section handler and ConfigurationElement.

It is not difficult to find that ConfigSectings mainly contains two subnodes: SectiongGroup and Section. The following describes the attributes of these two nodes:

1. sectionGroup attribute description

 

Attribute name	Function Description
Name	SpecifyTypeThe name of the configuration section or element associated with the configuration section handler specified by the property.
Type	Specify the name of the configuration section handler class used to perform the following operations:NameConfiguration settings in the specified section or element in the property. Use the following format: Type =" Fully qualified class name , Assembly file name , Version , Culture , Public key token ",The definition must match the Assembly reference. The Assembly file must be in the same application directory as the Web. config file that defines it.

The SectionGroup can still contain multiple sectiongroups and sections.

 

 

2. section attributes

Attribute name	Function Description
Name	Specifies the name of the configuration section or element associated with the configuration section handler specified in the type attribute.
Type	Specify the name of the configuration section handler class used to perform the following operations: Process configuration settings in the section or element specified in the name attribute. The format is the same as the type format in the preceding sectionGroup attribute.
RequirePermission	Access permission information is required to specify whether to obtain the relevant configuration. Optional Boolean attribute.
RestartOnExternalChanges	Specifies whether to restart the application when the configuration data in this section is changed. This attribute is optional and does not apply to ASP. NET applications.