ByArgo.cs

   private string SetDates(string sYear, string sMonth, string sDay, out System.Collections.Generic.List<object> values, string propertyName, int index1, int index2)
    {
        System.DateTime time;
        System.DateTime time2;
        int num = int.Parse(sYear);
        if (string.IsNullOrEmpty(sMonth))
        {
            time = new System.DateTime(num, 1, 1, 0, 0, 0);
            time2 = new System.DateTime(num, 12, System.DateTime.DaysInMonth(num, 12), 0x17, 0x3b, 0x3b);
        }
        else if (string.IsNullOrEmpty(sDay))
        {
            int num2 = int.Parse(sMonth);
            time = new System.DateTime(num, num2, 1, 0, 0, 0);
            time2 = new System.DateTime(num, num2, System.DateTime.DaysInMonth(num, num2), 0x17, 0x3b, 0x3b);
        }
        else
        {
            int num3 = int.Parse(sMonth);
            int num4 = int.Parse(sDay);
            time = new System.DateTime(num, num3, num4, 0, 0, 0);
            time2 = new System.DateTime(num, num3, num4, 0x17, 0x3b, 0x3b);
        }
        values = new System.Collections.Generic.List<object>();

        values.Add(time);
        values.Add(time2);
        return new System.Text.StringBuilder().Append("(").Append(propertyName).Append(" >= @" + index1 + " && ").Append(propertyName).Append(" <= @" + index2 + ")").ToString();
    }