How to delete user accounts in asp.net?

The membership provider has a DeleteUser method.

http://msdn.microsoft.com/en-us/library/w6b0zxdw.aspx

The following works just as well:

Membership.DeleteUser("username");

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If you want a SQL based solution:

http://web.archive.org/web/20130407080036/http://blogs.rawsoft.nl/remco/post/2009/02/05/How-to-Remove-users-from-the-ASPNet-membership-database.aspx

Here is a simpler way to delete a user using SQL.

USE ASPNet
GO

DECLARE @UserId uniqueidentifier
SET @UserId = 'THE GUID OF THE USER HERE'

DELETE FROM aspnet_Profile WHERE UserID = @UserId
DELETE FROM aspnet_UsersInRoles WHERE UserID = @UserId
DELETE FROM aspnet_PersonalizationPerUser WHERE UserID = @UserId
DELETE FROM dbo.aspnet_Membership WHERE UserID = @UserId
DELETE FROM aspnet_users WHERE UserID = @UserId