ต้องการให้ TextBox บางอัน เมื่อกรอกคำค้นหาแล้วจะแสดงเฉพาะบางฟิลด์

Private Sub btnClear_Click()
    Dim intIndex As Integer
    
    ' Clear all search items
    Me.txtNodeName = ""
    Me.txtE1 = ""
    Me.txtSlot = ""
    Me.txtDestination = ""
    Me.txtCustomer = ""
    Me.txtSO = ""
    Me.cmbBitRate = 0
    Me.cmbNetwork = 0
    Me.cmbStatus = 0
    
    
End Sub
Private Sub Form_Load()
    
    ' Clear the search form
    btnClear_Click
    
End Sub


Private Sub btnSearch_Click()
    
    ' Update the record source
    Me.subfrmSearch.Form.RecordSource = "SELECT * FROM qryEquipment " & BuildFilter
    
    ' Requery the subform
    Me.subfrmSearch.Requery
End Sub

Private Function BuildFilter() As Variant
    Dim varWhere As Variant
    Dim varItem As Variant
    Dim intIndex As Integer

    varWhere = Null  ' Main filter
    
   
    If Me.txtNodeName > "" Then
    varWhere = varWhere & "[NodeName] LIKE """ & Me.txtNodeName & "*"" AND "
    End If
    
   
    If Me.txtE1 > "" Then
        varWhere = varWhere & "[E1] LIKE """ & Me.txtE1 & "*"" AND "
    End If
    

    If Me.txtSlot > "" Then
        varWhere = varWhere & "[Slot] LIKE """ & Me.txtSlot & "*"" AND "
    End If
    
    
    If Me.txtDestination > "" Then
        varWhere = varWhere & "[Destination] LIKE """ & Me.txtDestination & "*"" AND "
    End If
    
    
    If Me.txtCustomer > "" Then
        varWhere = varWhere & "[Customer] LIKE """ & Me.txtCustomer & "*"" AND "
    End If
    
    
    If Me.txtSO > "" Then
        varWhere = varWhere & "[ServiceOrder] LIKE """ & Me.txtSO & "*"" AND "
    End If
    
    
  
    If Me.cmbBitRate > 0 Then
        varWhere = varWhere & "[BitRate] = " & Me.cmbBitRate & " AND "
    End If
    
    
    If Me.cmbNetwork > 0 Then
        varWhere = varWhere & "[Network] = " & Me.cmbNetwork & " AND "
    End If
    
    
    If Me.cmbStatus > 0 Then
        varWhere = varWhere & "[Status] = " & Me.cmbStatus & " AND "
    End If
    
   
    
 
    If IsNull(varWhere) Then
        varWhere = ""
    Else
        varWhere = "WHERE " & varWhere
        
     
        If Right(varWhere, 5) = " AND " Then
            varWhere = Left(varWhere, Len(varWhere) - 5)
        End If
    End If
    
    BuildFilter = varWhere
    
End Function

  If Me.txtNodeName > "" Then
    varWhere = varWhere & "[NodeName] LIKE """ & Me.txtNodeName & "*"" AND "
    End If