private bool checkDublicateRoomNO()
    {
        bool result = false;

        SqlDataReader sdr = uc.CheckDublicateTenent(txtMobileNo.Text);

        if (sdr.HasRows)
        {
            sdr.Read();
            string roomNo     = sdr["t_RoomNo"].ToString();
            string t_name     = sdr["t_name"].ToString();
            string t_MobileNo = sdr["t_MobileNo"].ToString();
            result = true;
            string text = "This Tenants  " + t_name + "  and  " + t_MobileNo + " Already Aloted Room No " + roomNo + " ";
            ScriptManager.RegisterStartupScript(this, typeof(Page), "Warning", "<script>showpoperror('" + text + "')</script>", false);
        }
        sdr.Close();
        return(result);
    }