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AppSettingsExpressionBuilder::GetAppSetting Method (String)
Visual Studio 2010
Returns a value from the <appSettings> section of the Web.config file.
Assembly: System.Web (in System.Web.dll)
Parameters
- key
- Type: System::String
The key for the value to be retrieved from the configuration file.
Return Value
Type: System::ObjectThe Object associated with the key in the <appSettings> section of the Web.config file.
| Exception | Condition |
|---|---|
| InvalidOperationException | The key is not found in Web.config. |
This method retrieves the appropriate value from the key/value pairs in the <appSettings> section of the Web.config file. It retrieves the value by getting the AppSettings property with the key as the index. The Object returned is of the type String.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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