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SqlServices.Uninstall Method (String, SqlFeatures, String)

Removes components for selected ASP.NET features from a SQL Server database.

Namespace:  System.Web.Management
Assembly:  System.Web (in System.Web.dll)

public static void Uninstall(
	string database,
	SqlFeatures features,
	string connectionString


Type: System.String

The database from which to remove the features.

Type: System.Web.Management.SqlFeatures

A bitwise combination of the SqlFeatures values, specifying the features to remove.

Type: System.String

The connection string to use. The connection string is only used to establish a connection to the database server. Specifying a database in the connection string has no effect.


Unable to connect to the specified database server.


The features value contained one or more invalid flags.


An exception occurred while processing the SQL statements required for the operation, an attempt was made to uninstall from a nonexistent database, or one or more tables for the features in the specified database contained data.

If database is null or not supplied, SqlServices will use the default database aspnetdb.


The connection to the database server is made with a trusted connection.

The following code example shows how to use the Uninstall method of the SqlServices type.

// Remove membership and personalization.
	SqlFeatures.Membership &

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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