Bring me my guts on a silver platter.

SELECT password, passwordformat, passwordsalt
FROM aspnet_membership am 
INNER JOIN aspnet_users auON (au.userid = am.userid) 
INNER JOIN aspnet_applications aaON (au.applicationId = aa.applicationid)WHERE au.username = 'admin' 
AND aa.applicationname = 'DotNetNuke'

DECLARE @changeDate datetime
SET @changeDate = getdate()
--set the password
exec aspnet_Membership_setPassword 'DotNetNuke', 
'TestUser', 
'DM1tZvBjM+27Eck5eI1TWFeG42XuJnMuin3jqFOtMjS83RN6d7dFbQ==', 
'4e5Bb5jOOMYu/JFXVdRmlA==',
@changeDate, 
2

Declare @UserName NVarChar(255)
Declare @NewPassword NVarChar(255)
Declare @PasswordSalt NVarChar(128)
Declare @Application NVarChar(255)
-- 在下面的单引号间输入你要做的修改(用户名, 密码)
-- 别留任何空格除非你特意要留..
SET @UserName = 'admin' -- 这个是DNN默认的admin用户, 这里我们要改成host
 
SET @NewPassword = 'newpassword' -- 这里是你的新密码
SET @Application = (SELECT [ApplicationID] FROM aspnet_Users WHERE UserName=@UserName)
SET @PasswordSalt = (SELECT PasswordSalt FROM aspnet_Membership WHERE UserID IN (SELECT UserID FROM aspnet_Users WHERE UserName=@UserName))
Exec dbo.aspnet_Membership_ResetPassword @Application, @UserName, @NewPassword, 10, 10, @PasswordSalt, -5

DECLARE @databaseName VARCHAR(128)
SELECT @databaseName = DB_NAME()
 
PRINT 'RESET PASSWORD IN DATABASE : ' + @databaseName
PRINT '-----------------------------' + REPLICATE('-', DATALENGTH(@databaseName ));
 
DECLARE @knownUserName NVARCHAR(128)
DECLARE @lostUserName NVARCHAR(128)
DECLARE @lostUserId NVARCHAR(128)
DECLARE @knownPassword NVARCHAR(128)
DECLARE @knownSalt NVARCHAR(128)
 
SET @knownUserName = 'Tonic'
SET @lostUserName = 'host'
 
SELECT @knownPassword = Password, @knownSalt = PasswordSalt
FROM aspnet_Membership
INNER JOIN aspnet_users
ON aspnet_Membership.UserId = aspnet_users.UserId
WHERE UserName = @knownUserName;
 
PRINT ''
PRINT 'Known Password for "' + @knownUserName + '" is : ' + @knownPassword
PRINT 'Known Password Salt for "' + @knownUserName + '" is : ' + @knownSalt
 
SELECT @lostUserId = aspnet_Membership.UserId
FROM aspnet_Membership
INNER JOIN aspnet_users
ON aspnet_Membership.UserId = aspnet_users.UserId
WHERE UserName = @lostUserName;
 
PRINT ''
PRINT 'UserID for "' + @lostUserName + '" is : ' + @lostUserId
PRINT ''
 
IF (DATALENGTH(@lostUserName) <= 0 OR @lostUserName IS NULL)
PRINT 'Invalid Lost User Name ' + @lostUserName
ELSE BEGIN
IF (DATALENGTH(@knownUserName) <= 0 OR @knownUserName IS NULL)
PRINT 'Invalid Lost User Name ' + @lostUserName
ELSE BEGIN
IF (DATALENGTH(@knownPassword) <= 0 OR @knownPassword IS NULL)
PRINT 'Invalid Known Password ' + @knownPassword
ELSE BEGIN
IF (DATALENGTH(@knownSalt) <= 0 OR @knownSalt IS NULL)
PRINT 'Invalid Known Salt ' + @knownSalt
ELSE BEGIN
PRINT ''
PRINT 'BEFORE'
SELECT LEFT(UserName, 12) AS UserName, aspnet_Membership.UserId, LEFT(Email, 20) AS Email, Password, PasswordSalt
FROM aspnet_Membership INNER JOIN aspnet_users ON aspnet_Membership.UserId = aspnet_users.UserId
WHERE UserName IN ( @knownUserName, @lostUserName );
PRINT ''
PRINT 'Changing Password for User Id : "' + @lostUserId + '" to "' + @knownPassword + '"'
PRINT ''
UPDATE aspnet_Membership
SET Password = @knownPassword,
PasswordSalt = @knownSalt
-- SELECT UserId, Password, PasswordSalt
-- FROM aspnet_Membership
WHERE UserId = @lostUserId;
PRINT ''
PRINT 'AFTER'
SELECT LEFT(UserName, 12) AS UserName, aspnet_Membership.UserId, LEFT(Email, 20) AS Email, Password, PasswordSalt
FROM aspnet_Membership INNER JOIN aspnet_users ON aspnet_Membership.UserId = aspnet_users.UserId
WHERE UserName IN ( @knownUserName, @lostUserName );
END
END
END
END
GO
PRINT '' PRINT ' * * * END OF SCRIPT * * *' PRINT '' GO

SELECT m.password, m.passwordsalt, m.passwordformat
FROM aspnet_users u
    INNER JOIN aspnet_membership m
        ON (u.userid = m.userid)
WHERE u.UserName = 'TestUser'
SELECT PortalId,
     PortalName
FROM Portals
DECLARE @ApplicationName nvarchar(256)
SET @ApplicationName = 'DotNetNuke'
DECLARE @UserName nvarchar(256) 
SET @UserName = 'NewUser' --The new user
DECLARE @Password nvarchar(128)
--From the existing user
SET @Password = 'LLSXX8xW6+0EbrV4JBzL/YenA1D6BBfRnkYY7FtQvNGmmPOhVdPiAA=='
DECLARE @PasswordSalt nvarchar(128)
--From the existing user
SET @PasswordSalt = 'P40ky5tExsx37nUIFnCWZQ=='
DECLARE @Email nvarchar(256)
SET @Email = 'TestingAccount@test.com' --You can set this to whatever you want
DECLARE @PasswordQuestion nvarchar(256)
SET @PasswordQuestion = ''
DECLARE @PasswordAnswer nvarchar(128)
SET @PasswordAnswer = ''
DECLARE @IsApproved bit
SET @IsApproved = 1
DECLARE @CurrentTimeUtc datetime 
SET @CurrentTimeUtc = GETDATE()
DECLARE @CreateDate datetime
SET @CreateDate = @CurrentTimeUtc
DECLARE @UniqueEmail int
SET @UniqueEmail = 0
DECLARE @PasswordFormat int
SET @PasswordFormat = 2 --NOTE: Value from existing user!
DECLARE @PortalId int
SET @PortalId = 0    --The id of your portal
Declare @UserId uniqueidentifier
DECLARE @DNNUserId int
 
--Make the stored procedure call
EXEC dbo.aspnet_Membership_CreateUser @ApplicationName, @Username, @Password,
                @PasswordSalt, @email, @passwordquestion, @PasswordAnswer, 
                @IsApproved, @CurrentTimeUtc, @CreateDate, @UniqueEmail,
                @PasswordFormat, @UserId
 
--Insert the record into the DotNetNuke users table
INSERT INTO users (Username, FirstName, LastName, IsSuperUser, Email,
                    DisplayName, UpdatePassword)
    VALUES(@Username, 'My', 'NewAccount', 0, @Email, 'New Account', 0)
 
--Get the new userid, from the DNN users table
SELECT @dnnuserid = userid
FROM Users
WHERE username = @Username
 
--Now, insert the record into the user portals table
INSERT INTO UserPortals (userId, PortalId, CreatedDate)
    VALUES(@dnnuserid, @PortalId, GETDATE()) 
 
--Now Give the user permissions to the RECISTERED Users group
INSERT INTO UserRoles (userId, roleId)
SELECT @dnnuserid,
        roleId
FROM Roles
WHERE RoleName = 'Registered Users'

            If Not Request.IsAuthenticated Then
                If Page.IsPostBack = False Then
                    Try
                        If Not Request.QueryString("username") Is Nothing Then
                            txtUsername.Text = Request.QueryString("username")
                        End If
                        If Not Request.QueryString("verificationcode") Is Nothing Then
                            If PortalSettings.UserRegistration = PortalRegistrationType.VerifiedRegistration Then
                                ' Comment this line above and the "End If" below out if you can't login as admin or host 
                                '   and can't change the register setting in SQL and don't even have an password-known account 
                                '   and really really desperatly want to register a new user.   -- Kang 10.07.2008
 
                                'Display Verification Rows 
                                rowVerification1.Visible = True
                                rowVerification2.Visible = True
                                txtVerification.Text = Request.QueryString("verificationcode")
                            End If
                        End If
 
                    Catch
                        'control not there 
                    End Try
                End If