删除列

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/// 删除列
  /// </summary>
  /// <param name="columnIndex"></param>
  /// <param name="count"></param>
  public void DeleteColumns(int columnIndex,int count)
  {
   try
   {
    for(int n=1;n<=this.WorkSheetCount;n++)
    {
     workSheet = (Excel.Worksheet)workBook.Worksheets[n];
     range = (Excel.Range)workSheet.Columns[this.missing,columnIndex];

     for(int i=0;i<count;i++)
     {
      range.Delete(Excel.XlDirection.xlDown);
     }
    }
   }
   catch(Exception e)
   {
    this.KillExcelProcess();
    throw e;
   }
  }

  /// <summary>
  /// 删除列
  /// </summary>
  /// <param name="sheetIndex"></param>
  /// <param name="columnIndex"></param>
  /// <param name="count"></param>
  public void DeleteColumns(int sheetIndex,int columnIndex,int count)
  {
   if(sheetIndex > this.WorkSheetCount)
   {
    this.KillExcelProcess();
    throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
   }

   try
   {
    workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex];
    range = (Excel.Range)workSheet.Columns[this.missing,columnIndex];

    for(int i=0;i<count;i++)
    {
     range.Delete(Excel.XlDirection.xlDown);
    }
   }
   catch(Exception e)
   {
    this.KillExcelProcess();
    throw e;
   }
  }