Configurationmanager. etettings attributes-go

Configurationmanager. deleettings attributes

Note: This attribute is added in. NET Framework 2.0.

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

Syntax Visual Basic (Declaration)

Public Shared ReadOnly Property AppSettings As NameValueCollection

Visual Basic (usage)

Dim value As NameValueCollectionvalue = ConfigurationManager.AppSettings

C #

public static NameValueCollection AppSettings { get; }

C ++

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

J #

/** @property */public static NameValueCollection get_AppSettings ()

JScript

public static function get AppSettings () : NameValueCollection

 

 

Attribute Value

Returns a namevaluecollection object that contains the default configuration of the current application.AppsettingssectionObject content. Exception

Exception type	Condition
Configurationerrorsexception	Data Retrieval cannot be set using the applicationNamevaluecollectionObject.

Remarks

AppsettingssectionObjects that contain the configuration fileAppsettingsSection.

Example

The following code example demonstrates how to useAppsettingsProperty to get the application settings named.

Visual Basic

' Get appSettings.Shared Sub GetAppSettings()   ' Get the appSettings.     Dim appSettings As NameValueCollection = _     ConfigurationManager.AppSettings      ' Get the collection enumerator.     Dim appSettingsEnum As IEnumerator = _     appSettings.Keys.GetEnumerator()      ' Loop through the collection and   ' display the appSettings key, value pairs.   Dim i As Integer = 0   While appSettingsEnum.MoveNext()      Dim key As String = appSettings.Keys(i)         Console.WriteLine("Name: {0} Value: {1}", _         key, appSettings(key))      i += 1   End WhileEnd Sub 'GetAppSettings 

C #

// Get appSettings.static void GetAppSettings(){    // Get the appSettings.    NameValueCollection appSettings =         ConfigurationManager.AppSettings;        // Get the collection enumerator.    IEnumerator appSettingsEnum =        appSettings.Keys.GetEnumerator();    // Loop through the collection and    // display the appSettings key, value pairs.    int i = 0;    Console.WriteLine("App settings.");    while (appSettingsEnum.MoveNext())    {        string key = appSettings.Keys[i];        Console.WriteLine("Name: {0} Value: {1}",        key, appSettings[key]);        i += 1;    }}