How can Dashboard Menu make vertical from horizontal ?

@*@Html.ImageActionLink(@Url.Content("~/Images/acsol_logo2.png"), " C I M S ", "Index", "Home", new { title = "size", width = 140, height = 50 })*@

@*@Html.ActionLink(" FTSHRIS ", "Index", "Home", null, new { @class = "navbar-brand" })*@

@Html.ActionLink("Home", "Index", "Home",new { @class = "glyphicon glyphicon-home" })

@Html.ActionLink("bout", "About", "Home", new { @class = "glyphicon glyphicon-text-background"})

@Html.ActionLink("Contact", "Contact", "Home", new { @class = "glyphicon glyphicon-pencil"})

@if (Session["DisplayName"] == null)

{

@Html.ActionLink("Login", "Login", "Login")

}

else

{

@Html.ActionLink("Welcome [ " + @Session["DisplayName"].ToString() + " ]", "", "")

@Html.ActionLink("Logout", "Logout", "Login")

}