过虑数字类型后面的0

//Author:quietwalk

//Date:2011-06-13

//Operation:过滤数字型数据的后面的0，保证只有一个0

//输入：45.000

//输出：45.0

 public static string trim0(string ls_original)
    {
      int iLength, j;
      j = 0;
      //iLength=len(ls_original);
      iLength = ls_original.Length;

      string ls_temp;
      ls_temp = ls_original;

      string strR1;

      if (iLength > 2)
      {

        //strR1=right(ls_original,1);
        strR1 = ls_original.Substring(ls_original.Length - 1, 1);

        do
        {
          j++;

          //ls_temp=left(ls_original,iLength - j);
          ls_temp = ls_original.Substring(0, iLength - j);

          //strR1=right(ls_temp,1);
          strR1 = ls_temp.Substring(ls_temp.Length - 2, 1);

        }
        while (strR1 == "0");

      }

      //如果被删除光了，说明它原来就是0

      if (ls_temp == "")
      {
        ls_temp = "0";
      }

      //如果最后一个字符是".",再在后面加个"0"
      //strR1 = right(ls_temp, 1);
      strR1 = ls_temp.Substring(ls_temp.Length - 1, 1);

      if (strR1 == ".")
      {
        ls_temp = ls_temp + "0";
      }

      return ls_temp;
    }//end