Class: XMLADO in Category XML Files : XML Files from Total Visual SourceBook

Convert an ADO Recordset to XML using the Microsoft XML Parser with VB6 and VBA.

This class allows you to convert an ADO Recordset to an XML document or load an XML document created with this class, back into an ADO Recordset.

Procedure List

Example Code for Using Class: XMLADO

' To use this example:
' 1.  Create a new form.
' 2.  Create the following command buttons: cmdADOToXML, cmdXMLToADO
' 3.  Create the following textboxes: txtSourceFile, txtDocName
' 3.  Paste the entire contents of this module into the new form's module.

' This example assumes that the sample files are located in the folder named by the following constant
Private Const mcstrSamplePath As String = "C:\Total Visual SourceBook 2013\Samples\"
Private Const mcstrExampleDB As String = mcstrSamplePath & "sample.mdb"
Private Const mcstrQueryString As String = "SELECT * FROM Customers"

Private Const mcstrJetProvider351 As String = "Microsoft.Jet.OLEDB.3.51"
Private Const mcstrJetProvider4 As String = "Microsoft.Jet.OLEDB.4.0"
Private Const mcstrJetProvider12 As String = "Microsoft.ACE.OLEDB.12.0"
Private Const mcstrJetProvider14 As String = "Microsoft.ACE.OLEDB.14.0"

Private mclsXML As CXMLADO
Private mcnn As ADODB.Connection
Private mrst As ADODB.Recordset

Private Sub cmdADOTOXML_Click()
  Dim strProvider As String

  ' Use ACE provider to support the 64-bit version of Access.
  #If VBA7 Then
    strProvider = mcstrJetProvider12
  #Else
    strProvider = mcstrJetProvider4
  #End If

  Set mclsXML = New CXMLADO
  Set mcnn = New ADODB.Connection
  Set mrst = New ADODB.Recordset

  mcnn.Open "Provider=" & strProvider & ";Persist Security Info=False;Data Source=" & mcstrExampleDB
  mrst.Open mcstrQueryString, mcnn, adOpenForwardOnly, adLockReadOnly

  mclsXML.SourceFile = txtSourceFile.Value
  mclsXML.CreateDocument txtDocName.Value
  mclsXML.ADOTOXML mrst
  mclsXML.SaveXML

  Set mclsXML = Nothing
  Set mcnn = Nothing
  Set mrst = Nothing

  MsgBox "File Created"

End Sub

Private Sub cmdXMLTOADO_Click()
  Dim oFld As ADODB.Field

  Set mclsXML = New CXMLADO
  Set mcnn = New ADODB.Connection
  Set mrst = New ADODB.Recordset

  mclsXML.SourceFile = txtSourceFile.Value
  Set mrst = mclsXML.XMLTOADO
  mrst.MoveFirst

  Do While Not mrst.EOF
    For Each oFld In mrst.Fields
      Debug.Print oFld.name
      Debug.Print oFld.Value
    Next oFld
    mrst.MoveNext
  Loop

  Set mclsXML = Nothing
  Set mcnn = Nothing
  Set mrst = Nothing

  MsgBox "File Retrieved"

End Sub

Private Sub Form_Load()
  Me.txtSourceFile.Value = mcstrSamplePath & "ADOXMLTEST.XML"
  Me.txtDocName.Value = "Customers"
  Me.cmdADOToXML.Caption = "ADO to XML"
  Me.cmdXMLToADO.Caption = "XML to ADO"
End Sub

Overview of Total Visual SourceBook

The source code in Total Visual SourceBook includes modules and classes for Microsoft Access, Visual Basic 6 (VB6), and Visual Basic for Applications (VBA) developers. Easily add this professionally written, tested, and documented royalty-free code into your applications to simplify your application development efforts.

Additional Resources

• List of All Modules in Total Visual SourceBook
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