internet explorer - Login to a website using VBA

Question

Im a fresher to Excel Macros (VBA) and looking for a way to automate IE to login to a website and proceed to a certain page. website URL : https://www.mast-technicalservices.com/ecp/index2.jsp and need to fill the login details and click continue.

Sub WebsiteLogIn()

Dim nURL As String
Dim UNElementID As String
Dim UserName As String
Dim PWElementID As String
Dim Password As String
Dim SIElementID As String


Set LoginData = ThisWorkbook.Sheets("Sheet1")
Set nURL = "https://www.mast-technicalservices.com/ecp/index2.jsp"
Set UNElementID = "ecp_param_userId"
Set UserName = LoginData.Cells(1, "B").Value
Set PWElementID = "ecp_param_password"
Set Password = LoginData.Cells(2, "B").Value
Set SIElementID = "imageField2"

Dim IE              As Object
Dim IEPage          As Object
Dim IEPageElement   As Object


    'Create a new Internet Explorer instance, make it visible and maximize its window and navigate to url.
    On Error Resume Next
    Set IE = CreateObject("InternetExplorer.Application")
    IE.Visible = True
    ShowWindow IE.hwnd, SW_MAXIMIZE

    IE.navigate URL

    Set IEPage = IE.document

    'setthe UserName text box using the element ID.
    Set IEPageElement = IEPage.getElementById(UNElementID)

    'set the Password text box using the element ID.
    Set IEPageElement = IEPage.getElementById(PWElementID)


    'set the Continue button using the element ID.
    Set IEPageElement = IEPage.getElementById(SIElementID)


End Sub

Answer 1

This works:

Sub login()

    Const Url$ = "https://www.mast-technicalservices.com/ecp/index2.jsp"

    Dim UserName As String, Password As String, LoginData As Worksheet
    Set LoginData = ThisWorkbook.Worksheets("Sheet1")
    UserName = LoginData.Cells(1, "B").Value
    Password = LoginData.Cells(2, "B").Value

    Dim ie As Object
    Set ie = CreateObject("InternetExplorer.Application")

    With ie

        .navigate Url
        ieBusy ie
        .Visible = True

        Dim oLogin As Object, oPassword As Object
        Set oLogin = .document.getElementsByName("ecp_param_userId")(0)
        Set oPassword = .document.getElementsByName("ecp_param_password")(0)

        oLogin.Value = UserName
        oPassword.Value = Password
        .document.forms(0).submit

    End With

End Sub

Sub ieBusy(ie As Object)
    Do While ie.Busy Or ie.readyState < 4
        DoEvents
    Loop
End Sub

The other sub: ieBusy will ensure the webpage is fully loaded prior to you attempting to manipulate it.