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im doing a database for Hospital Admission, I have a log in form which prompt user for a password. The source of log in is to look for the values in my Table tblEmployees and match user name and password entered.My case now is I have Audit Trail Module which keeps records of modifications and current user, I wanted my audit trail to log the current user based on who has log from based on my Log in Form.please help ty
HERES THE CODE FOR ON CLICK EVENT I MADE ON A BUTTON at a login form
Option Compare Database
Private intLogonAttempts As Integer
Private Sub Form_Open(Cancel As Integer)
'On open set focus to combo box
Me.cboEmployee.SetFocus
End Sub
Private Sub cboEmployee_AfterUpdate()
'After selecting user name set focus to password field
txtPassword.SetFocus
End Sub
Private Sub cmdLogin_Click()
'Check to see if data is entered into the UserName combo box
If IsNull(Me.cboEmployee) Or Me.cboEmployee = "" Then
MsgBox "You must enter a User Name.", vbOKOnly, "Required Data"
Me.cboEmployee.SetFocus
Exit Sub
End If
'Check to see if data is entered into the password box
If IsNull(Me.txtPassword) Or Me.txtPassword = "" Then
MsgBox "You must enter a Password.", vbOKOnly, "Required Data"
Me.txtPassword.SetFocus
Exit Sub
End If
'Check value of password in tblEmployees to see if this matches value chosen in combo box
If Me.txtPassword.Value = DLookup("strEmpPassword", "tblEmployees", "[lngEmpID]=" & Me.cboEmployee.Value) Then
lngMyEmpID = Me.cboEmployee.Value
'Close logon form and open splash screen
DoCmd.close acForm, "frmLogon", acSaveNo
DoCmd.OpenForm "Switchboard"
Else
MsgBox "Password Invalid. Please Try Again", vbOKOnly, "Invalid Entry!"
Me.txtPassword.SetFocus
End If
'If User Enters incorrect password 3 times database will shutdown
intLogonAttempts = intLogonAttempts + 1
If intLogonAttempts > 3 Then
MsgBox "You do not have access to this database. Please contact your system administrator.", vbCritical, "Restricted Access!"
Application.Quit
End If
End Sub
Private Sub close_Click()
On Error GoTo Err_close_Click
DoCmd.close
Exit_close_Click:
Exit Sub
Err_close_Click:
MsgBox Err.Description
Resume Exit_close_Click
End Sub
Private Sub txtPassword_AfterUpdate()
'After selecting user name set focus to password field
cmdLogin.SetFocus
End Sub
Private Sub Exit_Click()
On Error GoTo Err_Exit_Click
DoCmd.Quit
Exit_Exit_Click:
Exit Sub
Err_Exit_Click:
MsgBox Err.Description
Resume Exit_Exit_Click
End Sub
AND HERES THE CODE FOR AUDIT TRAIL MODULE
Option Compare Database
Option Explicit
Public Function AuditTrail()
On Error GoTo Err_Audit_Trail
'ACC2000: How to Create an Audit Trail of Record Changes in a Form
'http://support.microsoft.com/default.aspx?scid=kb;en-us;197592
Dim MyForm As Form
Dim ctl As Control
Dim sUser As String
Set MyForm = Screen.ActiveForm
' sUser = "User: " & UsersID 'You need to identify your users if you are not using Access security with workgroups.
sUser = CurrentUser
'If new record, record it in audit trail and exit function.
If MyForm.NewRecord = True Then
MyForm!AuditTrail = MyForm!tbAuditTrail & "New Record added on " & Now & " by " & sUser & ";"
Exit Function
End If
'Set date and current user if the form (current record) has been modified.
MyForm!AuditTrail = MyForm!tbAuditTrail & vbCrLf & vbLf & "Changes made on " & Now & " by " & sUser & ";"
'Check each data entry control for change and record old value of the control.
For Each ctl In MyForm.Controls
'Only check data entry type controls.
Select Case ctl.ControlType
Case acTextBox, acComboBox, acListBox, acOptionGroup, acCheckBox
If ctl.Name = "tbAuditTrail" Then GoTo TryNextControl 'Skip AuditTrail field.
'If new and old value do not equal
If ctl.Value <> ctl.OldValue Then
MyForm!AuditTrail = MyForm!tbAuditTrail & vbCrLf & ctl.Name & ": Changed From: " & ctl.OldValue & ", To: " & ctl.Value
'If old value is Null and new value is not Null
ElseIf IsNull(ctl.OldValue) And Len(ctl.Value) > 0 Or ctl.OldValue = "" And Len(ctl.Value) > 0 Then
MyForm!AuditTrail = MyForm!tbAuditTrail & vbCrLf & ctl.Name & ": Was Previoulsy Null, New Value: " & ctl.Value
'If new value is Null and old value is not Null
ElseIf IsNull(ctl.Value) And Len(ctl.OldValue) > 0 Or ctl.Value = "" And Len(ctl.OldValue) > 0 Then
MyForm!AuditTrail = MyForm!tbAuditTrail & vbCrLf & ctl.Name & ": Changed From: " & ctl.OldValue & ", To: Null"
End If
End Select
TryNextControl:
Next ctl
Exit_Audit_Trail:
Exit Function
Err_Audit_Trail:
If Err.Number = 64535 Then 'Operation is not supported for this type of object.
Exit Function
ElseIf Err.Number = 2475 Then 'You entered an expression that requires a form to be the active window
Beep
MsgBox "A form is required to be the active window!", vbCritical, "Invalid Active Window"
Else
Beep
MsgBox Err.Number & " - " & Err.Description
End If
Resume Exit_Audit_Trail
End Function
PLEASE HELP
