1:  //将object类型转换成时间，如果能转的话。

2:  protected DateTime GetDataTime(object obj)

3:  {

4:      if (obj == null)

5:      {

6:          return DateTime.Now;

7:      }

8:      else

9:      {

10:          DateTime time = DateTime.Now;

11:          bool isConvertSeccess = DateTime.TryParse(obj.ToString(), out time);

12:          //若是转换成功，time中就是转换的值，若失败，则变成日期初始化值。

13:          if (isConvertSeccess)

14:              return time;

15:          else

16:              return DateTime.Now;

17:      }

18:  }