ConfigurationManager::AppSettings Property

.NET Framework (current version)

Gets the AppSettingsSection data for the current application's default configuration.

Namespace: System.Configuration
Assembly: System.Configuration (in System.Configuration.dll)

Syntax

public:
property NameValueCollection^ AppSettings {
	static NameValueCollection^ get();
}

Property Value

Type: System.Collections.Specialized::NameValueCollection^

Returns a NameValueCollection object that contains the contents of the AppSettingsSection object for the current application's default configuration.

Exceptions

Exception	Condition
ConfigurationErrorsException	Could not retrieve a NameValueCollection object with the application settings data.

Remarks

A AppSettingsSection object contains the contents of the configuration file's appSettings section.

Examples

The first example shows a simple console application that reads application settings, adds a new setting, and updates an existing setting.

C++

No code example is currently available or this language may not be supported.

The previous example assumes your project has an App.config file as shown below.

XML

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <startup> 
        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
    </startup>
  <appSettings>
    <add key="Setting1" value="May 5, 2014"/>
    <add key="Setting2" value="May 6, 2014"/>
  </appSettings>
</configuration>

Version Information

.NET Framework
Available since 2.0