public ActionResult SelectedGroupChange(int id)
        {
            var stores = _dataManager.Monitorings.GetStoresSelectList(id, false, -1);

            return Json(stores, JsonRequestBehavior.AllowGet);
        }

jQuery.btnGetCount_Click = function btnGetCount_Click(btn) {
        $.ajax({
            url: $(btn).attr("data-url"),
            type: "GET",
            data: { 'id': $("#ddlTime").get(0).value },
            dataType: 'json',
            success: function (data) {
                alert("Количество записей в базе на текущий момент равно: " + data);
            },
            error: function (error) {
                alert(error);
            }
        })
    }

jQuery.ddlRegion_Change = function ddlRegion_Change(ddlRegion, ddlGroupName, ddlStoreName, ddlColumnName, ddlFilterName) {
        var ddl = ddlRegion;
        $.ajax({
            url: $(ddl).attr("data-url"),
            type: "POST",
            data: { 'id': ddl.options[ddl.selectedIndex].value },
            contentType: "application/x-www-form-urlencoded; charset=UTF-8",
            success: function (data) {
                ddl = $("#" + ddlGroupName);
                ddl.empty();
                $(data).each(function () {
                    ddl.append(
			                $('<option/>', {
			                    value: this.Value
			                }).html(this.Text)
			            );
                });
                var obj = $("#" + ddlStoreName);
                if (null != obj)
                    obj.children('option:not(:first)').remove();
                if (ddlColumnName != '') {
                    obj = $("#" + ddlColumnName);
                    if (null != obj)
                        obj.val(-1);
                }
                if (ddlFilterName != '') {
                    obj = $("#" + ddlFilterName);
                    if (null != obj)
                        obj.children('option:not(:first)').remove();
                }
            },
            error: function (error) {
                alert(error);
            }
        })
    }