//Added by Bharat on 05/June/2017
public ActionResult GetChatID(int RecordID)
{
Ctx ct = Session["ctx"] as Ctx;
PaymentModel _payMdl = new PaymentModel();
return(Json(JsonConvert.SerializeObject(_payMdl.GetChatID(RecordID, ct)), JsonRequestBehavior.AllowGet));
}