Still not redirecting page after passing username and password through code.

Private Sub WebBrowserEx1_DocumentCompleted(ByVal sender As System.Object, ByVal e As System.Windows.Forms.WebBrowserDocumentCompletedEventArgs) Handles WebBrowserEx1.DocumentCompleted

  Dim theElementCollection As HtmlElementCollection = WebBrowserEx1.Document.GetElementsByTagName("INPUT")

   For Each curElement As HtmlElement In theElementCollection
            Dim controlName As String = curElement.GetAttribute("name").ToString

            If controlName.ToString.Contains("Username") Then
                curElement.SetAttribute("uttam", controlName)
            ElseIf controlName.ToString.Contains("Password") Then
                curElement.SetAttribute("test", controlName)
               exit For
            End If

     Next

        ' Part 3: Automatically click the Login button

        Dim theWElementCollection As HtmlElementCollection = WebBrowserEx1.Document.GetElementsByTagName("INPUT")

        For Each curElement2 As HtmlElement In theWElementCollection
            Dim controlName2 As String = ""
            controlName2 = curElement2.GetAttribute("NAME").ToString()
            If controlName2.Contains("Action") Then
                curElement2.InvokeMember("Click")
                Exit Sub
            End If
        Next

        WebBrowserEx1.Navigate("http://dev.koliu.in/Main.aspx")
        Exit Sub
End Sub