c# 根據字段名，得到對象中的屬性值

 public string GetModelValue(string FieldName, object obj)
        {
            try
            {
                Type Ts = obj.GetType();
                object o = Ts.GetProperty(FieldName).GetValue(obj, null);
                string Value = Convert.ToString(o);
                if (string.IsNullOrEmpty(Value)) return null;
                return Value;
            }
            catch
            {
                return null;
            }
        }