AppSettingsExpressionBuilder.GetAppSetting Method (String, Type, String)

Returns a value from the <appSettings> section of the Web.config file with the value converted to a target type.

Namespace: System.Web.Compilation
Assembly: System.Web (in system.web.dll)

public:
static Object^ GetAppSetting (
	String^ key, 
	Type^ targetType, 
	String^ propertyName
)
public static Object GetAppSetting (
	String key, 
	Type targetType, 
	String propertyName
)
public static function GetAppSetting (
	key : String, 
	targetType : Type, 
	propertyName : String
) : Object
Not applicable.

Parameters

key

The key for a value to be retrieved from the configuration file.

targetType

The type of the object that contains the property entry.

propertyName

The name of the property to which the expression is bound.

Return Value

The Object associated with the key in the <appSettings> section of the Web.config file.

Exception typeCondition

InvalidOperationException

The key is not found in Web.config.

- or -

The return value could not be converted.

This method retrieves the appropriate value from the key/value pairs in the <appSettings> section of the Web.config file. The value is retrieved by getting the AppSettings property with the key as the index. The resulting string value is converted to a new type based on the targetType and propertyName parameters.

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

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