A problem with Web Elements

[erenagar]

Hello guys, I have a login page in my website. I'm developing a login program.

For Each obj In WebBrowser1.Document.GetElementsByTagName("input")
            If (obj.GetAttribute("name") = "email") Then
                obj.Value = Text1.Text
            End If
            Next

I'm writing my textbox(username) to login website e-mail area and..

For Each obj In WebBrowser1.Document.GetElementsByTagName("button")
            If (obj.GetAttribute("submit") = "login") Then
                obj.click
            End If
            Next

I'm sending login request. There is not a problem my textbox appear to web but when I click submit button textbox like dissapear like as no writen as..

Attachment 137125Attachment 137127

So I can't log in. How can I transfer correctly?

***There is html of login text;

<input class="abc" aria-describedby="" aria-label="E-mail" aria-required="true" autocapitalize="off" autocorrect="off" name="email" placeholder="E-mail" value="" type="text" data-reactid=".0.1.0.1.0.1.0.3.0">