Procedure: aspnet_Users_DeleteUser

Description

Deletes a user from the aspnet_Membership table and optionally from other SQL provider tables, including aspnet_Users.

Parameters

Name	Type	Direction
@ApplicationName	nvarchar	Input
@UserName	nvarchar	Input
@TablesToDeleteFrom	int	Input
@NumTablesDeletedFrom	int	Input/Output

Definition

CREATE PROCEDURE [dbo].aspnet_Users_DeleteUser
    @ApplicationName  nvarchar(256),
    @UserName         nvarchar(256),
    @TablesToDeleteFrom int,
    @NumTablesDeletedFrom int OUTPUT
AS
BEGIN
    DECLARE @UserId               uniqueidentifier
    SELECT  @UserId               = NULL
    SELECT  @NumTablesDeletedFrom = 0

    DECLARE @TranStarted   bit
    SET @TranStarted = 0

    IF( @@TRANCOUNT = 0 )
    BEGIN
	    BEGIN TRANSACTION
	    SET @TranStarted = 1
    END
    ELSE
	SET @TranStarted = 0

    DECLARE @ErrorCode   int
    DECLARE @RowCount    int

    SET @ErrorCode = 0
    SET @RowCount  = 0

    SELECT  @UserId = u.UserId
    FROM    dbo.aspnet_Users u, dbo.aspnet_Applications a
    WHERE   u.LoweredUserName       = LOWER(@UserName)
        AND u.ApplicationId         = a.ApplicationId
        AND LOWER(@ApplicationName) = a.LoweredApplicationName

    IF (@UserId IS NULL)
    BEGIN
        GOTO Cleanup
    END

    -- Delete from Membership table if (@TablesToDeleteFrom & 1) is set
    IF ((@TablesToDeleteFrom & 1) <> 0 AND
        (EXISTS (SELECT name FROM sysobjects WHERE (name = N'vw_aspnet_MembershipUsers') AND (type = 'V'))))
    BEGIN
        DELETE FROM dbo.aspnet_Membership WHERE @UserId = UserId

        SELECT @ErrorCode = @@ERROR,
               @RowCount = @@ROWCOUNT

        IF( @ErrorCode <> 0 )
            GOTO Cleanup

        IF (@RowCount <> 0)
            SELECT  @NumTablesDeletedFrom = @NumTablesDeletedFrom + 1
    END

    -- Delete from aspnet_UsersInRoles table if (@TablesToDeleteFrom & 2) is set
    IF ((@TablesToDeleteFrom & 2) <> 0  AND
        (EXISTS (SELECT name FROM sysobjects WHERE (name = N'vw_aspnet_UsersInRoles') AND (type = 'V'))) )
    BEGIN
        DELETE FROM dbo.aspnet_UsersInRoles WHERE @UserId = UserId

        SELECT @ErrorCode = @@ERROR,
                @RowCount = @@ROWCOUNT

        IF( @ErrorCode <> 0 )
            GOTO Cleanup

        IF (@RowCount <> 0)
            SELECT  @NumTablesDeletedFrom = @NumTablesDeletedFrom + 1
    END

    -- Delete from aspnet_Profile table if (@TablesToDeleteFrom & 4) is set
    IF ((@TablesToDeleteFrom & 4) <> 0  AND
        (EXISTS (SELECT name FROM sysobjects WHERE (name = N'vw_aspnet_Profiles') AND (type = 'V'))) )
    BEGIN
        DELETE FROM dbo.aspnet_Profile WHERE @UserId = UserId

        SELECT @ErrorCode = @@ERROR,
                @RowCount = @@ROWCOUNT

        IF( @ErrorCode <> 0 )
            GOTO Cleanup

        IF (@RowCount <> 0)
            SELECT  @NumTablesDeletedFrom = @NumTablesDeletedFrom + 1
    END

    -- Delete from aspnet_PersonalizationPerUser table if (@TablesToDeleteFrom & 8) is set
    IF ((@TablesToDeleteFrom & 8) <> 0  AND
        (EXISTS (SELECT name FROM sysobjects WHERE (name = N'vw_aspnet_WebPartState_User') AND (type = 'V'))) )
    BEGIN
        DELETE FROM dbo.aspnet_PersonalizationPerUser WHERE @UserId = UserId

        SELECT @ErrorCode = @@ERROR,
                @RowCount = @@ROWCOUNT

        IF( @ErrorCode <> 0 )
            GOTO Cleanup

        IF (@RowCount <> 0)
            SELECT  @NumTablesDeletedFrom = @NumTablesDeletedFrom + 1
    END

    -- Delete from aspnet_Users table if (@TablesToDeleteFrom & 1,2,4 & 8) are all set
    IF ((@TablesToDeleteFrom & 1) <> 0 AND
        (@TablesToDeleteFrom & 2) <> 0 AND
        (@TablesToDeleteFrom & 4) <> 0 AND
        (@TablesToDeleteFrom & 8) <> 0 AND
        (EXISTS (SELECT UserId FROM dbo.aspnet_Users WHERE @UserId = UserId)))
    BEGIN
        DELETE FROM dbo.aspnet_Users WHERE @UserId = UserId

        SELECT @ErrorCode = @@ERROR,
                @RowCount = @@ROWCOUNT

        IF( @ErrorCode <> 0 )
            GOTO Cleanup

        IF (@RowCount <> 0)
            SELECT  @NumTablesDeletedFrom = @NumTablesDeletedFrom + 1
    END

    IF( @TranStarted = 1 )
    BEGIN
	    SET @TranStarted = 0
	    COMMIT TRANSACTION
    END

    RETURN 0

Cleanup:
    SET @NumTablesDeletedFrom = 0

    IF( @TranStarted = 1 )
    BEGIN
        SET @TranStarted = 0
	    ROLLBACK TRANSACTION
    END

    RETURN @ErrorCode

END

---

ASP.NET 2.0 Provider Database