Using VBA to pass ADODB.Recordset to HTML javascript function


Board Regular
Jan 21, 2013
I am trying to pass a recordset to an HTML javascript. The reason is that my company's web page sercurity policy does not allow me to create an "ActiveXObject" in javascript. I was experimenting with passing a recordset from VBA to HTML javascript function as a work around. I can't seem to pass any variables to my javascript function other than hard coded text. Is what I am trying to do even possible? I know that javascript does not have a pass by reference feature. The web site How to find and call javascript method from vba - Stack Overflow says that it should work to pass variables to javascript function. Any assistance will be greatly appreciated. HTML script in header code is
        function myFunction(name) {
        function main(obj)
        var objRS=obj;
        alert("In main function");
          var DP = "Microsoft.ACE.OLEDB.12.0";
          var DS = "C:/Users/jeremy/Documents/N431/CustomDatabase/department1.accdb";  //local database path
          var DB = "tblPersonnel";

          var adOpenForwardOnly = 0;
          var adLockReadOnly = 1;
          var adCmdText = 1;
          //I left this code in here because it works if I am able to create an ActiveXObject
    /*       try 
            var objRs = new ActiveXObject("ADODB.Recordset");
          catch (e)
            alert("ADODB namespace not found.");
          } */

            var strConn =  "Provider="         +DP+
                    ";Data Source="      +DS;

            var strComm = "SELECT * "+
                    "FROM tblPersonnel";

          while (objRs.EOF != true) 

          objRs = null;

    <!-- This is just a button to test myFunction on webPage -->
The VBA Code is
Sub Macro1()

    Dim adCmd As ADODB.Command
    Dim Connection As ADODB.Connection
    Dim Cnct As String
    Dim Recordset As ADODB.Recordset
          Dim adOpenForwardOnly As Integer: adOpenForwardOnly = 0
      'dim adLockReadOnly as Integer: as=d = 1
     ' dim adCmdText = 1
     Dim src As String
    Dim DBname As String: DBname = "C:\Users\jeremy\Documents\N431\CustomDatabase\department1.accdb"
    Set Connection = New ADODB.Connection
    Cnct = "Provider=Microsoft.ACE.OLEDB.12.0;"
    Cnct = Cnct & "Data Source=" & DBname & ";"
    Connection.Open ConnectionString:=Cnct
    src = "SELECT * FROM tblPersonnel"
    Set Recordset = New ADODB.Recordset
    Dim w As SHDocVw.InternetExplorerMedium
    Set w = IEWindowFromTitle("CSMP")
    Dim CurrentWindow As HTMLWindowProxy: Set CurrentWindow = w.Document.parentWindow
    Dim tempString As String
    With Recordset
        .Open Source:=src, ActiveConnection:=Connection
        tempString = Recordset.GetString ' this does produce proper string
        Dim codeFormula As String: codeFormula = "main(tempString)"
        CurrentWindow.execScript code:=codeFormula
        'Debug.Print Recordset.GetString
    End With

    Set Recordset = Nothing
    Set Connection = Nothing
    End Sub

Function IEWindowFromTitle(sTitle As String) As SHDocVw.InternetExplorer

    Dim objShellWindows As New SHDocVw.ShellWindows
    Dim win As Object, rv As SHDocVw.InternetExplorer

    For Each win In objShellWindows
        If TypeName(win.Document) = "HTMLDocument" Then
            If UCase(win.Document.Title) = UCase(sTitle) Then
                Set rv = win
                Exit For
            End If
        End If

    Set IEWindowFromTitle = rv

End Function


MrExcel MVP
Oct 15, 2007
You could try implementing the JavaScript code with the Microsoft Script Control object, specifiically ScriptControl.Add to create the JavaScript function and ScriptControl.Run with the required parameter variables to run/call the function.

Though not related to your question, for an example of the use of ScriptControl see Parsing JSON in Excel VBA - Stack Overflow

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