Developing an ASP.NET message box feature with options for both "OK" and "Cancel

I have implemented a JavaScript function in my website to display a message box to the user:

Private Sub MessageBox(ByVal msg As String)
    Dim lbl As New Label

    lbl.Text = "<script language='javascript'>" & Environment.NewLine &
       "window.alert('" + msg + "');" & Environment.NewLine &
       "document.location = 'Clinica.aspx';</script>"
    Page.Controls.Add(lbl)
End Sub

Now I am wondering if it is possible to add an "OK" and a "Cancel" button to the message box, similar to how it is done in VB.NET:

MsgBox(vbCritical _
               & "Current appointment data has been modified!" & vbCrLf _
               & "Changing the selected appointment will discard the changes" & vbCrLf _
               & vbCrLf _
               & "Do you want to continue?", _
               vbOKCancel, _
                "ATTENTION!")

As I am new to JavaScript, I would like to know if something like this is feasible. Thank you.

javascriptasp.netvb.net

Answer №1

Have you considered using the JavaScript function confirm('Are you sure?') ?

Read more about window.confirm here

Here is an example of how you can implement this in your code:

 labelContent.Text = "<script type='text/javascript'>" & Environment.NewLine &
      "if(window.confirm('" + message + "')) window.location = 'nextpage.aspx';</script>"

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