Account.MonthlyManagement.ViewModel.VMMonthlyManagement.RefreshExecute C# (CSharp) Méthode

        private void RefreshExecute(string param)
        {
            DateTime now = DateTime.Now.Date;
            if (param == "reset")
            {
                this.Start = new DateTime(now.Year, 1, 1).ToString("yyyy-MM");
                this.End = now.ToString("yyyy-MM");
            }
            else if (param == "refresh")
            {
                this.Start = string.Empty;
                this.End = now.ToString("yyy-MM");
            }
            else if (param == "search")
            {
            }
            this.RefreshMonthly(true);
        }