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excel – How to click a button in Internet Explorer using VBA

Posted by: admin May 14, 2020 Leave a comment


I saw some examples that explain how to click at a button in Internet Explorer by VBA. However, the site that I need to use is not working.
*It did not have an “id”. I saw the function querySelector, but it did not work as well.
Site: http://www2.bmf.com.br/pages/portal/bmfbovespa/boletim1/TxRef1.asp

Sub Download()

Dim user, password As Variant

Set IE = CreateObject("InternetExplorer.Application")
    IE.navigate "http://www2.bmf.com.br/pages/portal/bmfbovespa/boletim1/TxRef1.asp"
    IE.Visible = True

While IE.Busy

    Application.Wait (Now + TimeValue("00:00:02"))
    'Preencher o Login e Senha

End Sub
How to&Answers:

Your selector is wrong

The html is

<img style="CURSOR:HAND" src="http://www.bmf.com.br/bmfbovespa/images/comum/btoExcel.gif" align="absmiddle" hspace="0" onclick="salvaxls()">

You can use the following attribute = value selector


You could also use $ ends with operator and target the src


Using a proper page load wait you have as follows

Option Explicit
'VBE > Tools > References:
' Microsoft Internet Controls
Public Sub RetrieveInfo()
    Dim ie As InternetExplorer
    Set ie = New InternetExplorer

    With ie
        .Visible = True
        .Navigate2 "http://www2.bmf.com.br/pages/portal/bmfbovespa/boletim1/TxRef1.asp"

        While .Busy Or .readyState < 4: DoEvents: Wend



    End With
End Sub

There are lots of existing answers on SO regarding how to interact with Save/Open dialog. Personally, I prefer to automate with selenium basic and use Chrome to avoid this issue altogether


I am on a personal campaign to encourage people to use HTTP requests when it’s possible, so here’s my two cents:

Sub Taxas()
Dim req As New WinHttpRequest
Dim doc As New HTMLDocument
Dim table As HTMLTable
Dim tableRow As HTMLTableRow
Dim reqURL As String
Dim mainURL As String
Dim dateOfInterest As Date
Dim param1 As String
Dim param2 As String
Dim param3 As String
Dim i As Long
dateOfInterest = Date - 1 '11/04/2019 use whichever date you want
param1 = Format(dateOfInterest, "dd/mm/yyyy")
param2 = Format(dateOfInterest, "yyyymmdd")
param3 = "PRE" 'this can be changed according to which element from the drop down list on the top left you need
mainURL = "http://www2.bmf.com.br/pages/portal/bmfbovespa/boletim1/TxRef1.asp"
reqURL = mainURL & "?Data=" & param1 & "&Data1=" & param2 & "&slcTaxa=" & param3

With req
    .Open "POST", reqURL, False
    .setRequestHeader "Content-Type", "application/x-www-form-urlencoded"
    doc.body.innerHTML = .responseText
End With
Set table = doc.getElementById("tb_principal1")
i = 1
For Each tableRow In table.Rows
    If tableRow.Cells(0).className <> "tabelaTitulo" And tableRow.Cells(0).className <> "tabelaItem" Then
        ThisWorkbook.Worksheets(1).Cells(i, "A") = CDbl(Replace((tableRow.Cells(0).innerText), ",", "."))
        ThisWorkbook.Worksheets(1).Cells(i, "B") = CDbl(Replace((tableRow.Cells(1).innerText), ",", "."))
        ThisWorkbook.Worksheets(1).Cells(i, "C") = CDbl(Replace((tableRow.Cells(2).innerText), ",", "."))
        i = i + 1
    End If
Next tableRow

End Sub

Make sure you go to VB editor> Tools> References and add Microsoft WinHTTP Services version 5.1 and Microsoft HTML Object Library

With this method you don’t need to download an excel file. You get the data right from the source and write in your worksheet.

Study the code, try to learn from it and I promise it will make your life easier in any future web scraping projects.