asci转unicde后日期每位暂用两个字节解决办法

string sBeginTime = "";for(int i=0; i < BeginTime.Length; ++i){if(char.IsNumber(BeginTime[i]) || BeginTime[i].ToString().Equals("-")){sBeginTime += BeginTime[i].ToString();}}string sEndTime = "";for(int i=0; i < EndTime.Length; ++i){if(char.IsNumber(EndTime[i]) || EndTime[i].ToString().Equals("-")){sEndTime += EndTime[i].ToString();}}