This documentation is archived and is not being maintained.

Configuration.SaveAs Method (String, ConfigurationSaveMode)

Writes the configuration settings contained within this Configuration object to the specified XML configuration file.

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

public void SaveAs(
	string filename,
	ConfigurationSaveMode saveMode


Type: System.String
The path and file name to save the configuration file to.
Type: System.Configuration.ConfigurationSaveMode
A ConfigurationSaveMode value that determines which property values to save.


The configuration file could not be written to.

- or -

The configuration file has changed.

The SaveAs method persists configuration settings in the Configuration object to a new file based on the saveMode parameter.

If a configuration file does not exist at the physical location represented by the FilePath property, a new configuration file will be created to contain any settings that are different from the inherited configuration..

If the configuration file has changed since this Configuration object was created, a run-time error occurs.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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.