public ActionResult AddFees(mst_fees mst)
        {
            try
            {
                using (MySqlConnection con = new MySqlConnection(ConfigurationManager.ConnectionStrings["DefaultConnection"].ToString()))
                {
                    string query = "select session_finalize from mst_session where session_active = 'Y'";

                    string id1 = con.ExecuteScalar <string>(query);
                    if (id1 == "Y")
                    {
                        mst_classMain mstClass = new mst_classMain();
                        mst_feesMain  mstfess  = new mst_feesMain();

                        mst_sessionMain sess = new mst_sessionMain();

                        var class_list = mstClass.AllClassList(sess.findActive_Session());

                        var acc_head = mstfess.account_head();

                        IEnumerable <SelectListItem> list  = new SelectList(class_list, "class_id", "class_name");
                        IEnumerable <SelectListItem> list1 = new SelectList(acc_head, "acc_id", "acc_name");


                        ViewData["class_id"] = list;
                        ViewData["acc_id"]   = list1;

                        ModelState.AddModelError(String.Empty, "Session is already finalized cannot add new fees.");

                        return(View(mst));
                    }
                    else
                    {
                        mst_feesMain mstMain = new mst_feesMain();
                        mstMain.AddFees(mst);
                        return(RedirectToAction("AllFeesList"));
                    }
                }
            }
            catch (Exception ex)
            {
                mst_classMain mstClass = new mst_classMain();

                mst_sessionMain sess = new mst_sessionMain();

                var class_list = mstClass.AllClassList(sess.findActive_Session());
                IEnumerable <SelectListItem> list = new SelectList(class_list, "class_id", "class_name");

                ViewData["class_id"] = list;

                ModelState.AddModelError(String.Empty, "Section Already Created");

                return(View(mst));
            }
        }
        public ActionResult EditFees(mst_fees mst)
        {
            using (MySqlConnection con = new MySqlConnection(ConfigurationManager.ConnectionStrings["DefaultConnection"].ToString()))
            {
                mst_feesMain stdMain = new mst_feesMain();

                string query = @"select session_finalize from mst_session where session_active = 'Y'";

                string id = con.Query <string>(query).SingleOrDefault();

                if (id == "N")
                {
                    stdMain.EditFees(mst);
                    return(RedirectToAction("AllFeesList"));
                }
                else
                {
                    ModelState.AddModelError(string.Empty, "Fees are already finalize cannot edit.");
                    return(View(mst));
                }
            }
        }