protected void login_Click(object sender, EventArgs e)
        {
            SqlConnection cn = new SqlConnection();

            cn.ConnectionString = System.Web.Configuration.WebConfigurationManager.ConnectionStrings["cn"].ToString();
            cn.Open();
            string        str = "select * from reg where Email='" + email.Value + "' and Pass='******'";
            SqlCommand    cmd = new SqlCommand(str, cn);
            SqlDataReader dr  = cmd.ExecuteReader();

            if (dr.Read())
            {
                if (dr[10].ToString() == "0")
                {
                    if (dr[9].ToString() == "0")
                    {
                        Session["uname"] = email.Value;
                        Response.Redirect("index.aspx");
                    }
                    else
                    {
                        otp = rand();
                        abc A = new abc();
                        A.otpsave(otp, email.Value);
                        returnname r = new returnname();
                        em.send_maill(r.name(email.Value), email.Value, 3, otp);
                        Response.Redirect("ChkOTP.aspx");
                    }
                }
                else
                {
                    alert.Visible = true;
                    Label4.Text   = "Your Account has been deactivated";
                }
            }
            else
            {
                alert1.Visible = true;
                Label3.Text    = "OOPs! Check your E-mail & Password";
            }

            cn.Close();
        }