protected void Page_Load(object sender, EventArgs e)
    {
      if (!IsPostBack)
        {
            prevPage = Request.UrlReferrer.ToString();
            previousPageName = System.IO.Path.GetFileName(prevPage);
            snm = previousPageName.ToString();

        }
        snmm = previousPageName.ToString();
    }
    protected void btnsubmit_Click(object sender, EventArgs e)
    {
      if ((rolename == "Admin") && (loginid != 0))
        {
            FormsAuthentication.RedirectFromLoginPage(txtemail.Text.Trim(), chkremember.Checked);
            Response.Redirect("~/Admin/frmAdminHome.aspx");
        }
    }