/// <summary>
  /// 把数据导入到.doc文件
  /// </summary>
  /// <param name="ds"></param>
  public void ExportToWord(DataSet ds)
  {
   if(ds.Tables.Count!=0)
   {  
    string tempFileName = null;
    object filename = null;
   
    object tableBehavior = Word.WdDefaultTableBehavior.wdWord9TableBehavior;
    object autoFitBehavior = Word.WdAutoFitBehavior.wdAutoFitFixed;

    object unit = Word.WdUnits.wdStory;
    object extend = System.Reflection.Missing.Value;
    object breakType = (int)Word.WdBreakType.wdSectionBreakNextPage;

    object count = 1;
    object character = Word.WdUnits.wdCharacter;

    object Nothing =  System.Reflection.Missing.Value;
   
    try
    {
     tempFileName = GetTempFileName();

     //生成.doc文件完整路径名
     filename = DATAWORDPATH+tempFileName+WORDPOSTFIX;
    
     //创建一个word文件，文件名用系统时间生成精确到毫秒
     Word.Application myWord= new Word.ApplicationClass();
     Word._Document myDoc = new Word.DocumentClass();
     myDoc = myWord.Documents.Add(ref Nothing,ref Nothing,ref Nothing,ref Nothing);
     myDoc.Activate();

     //向把dataset中的表插入到word的文件中
   
     for(int totalTable = 0;totalTable<ds.Tables.Count;totalTable++)
     {
      myWord.Application.Selection.TypeText(ds.Tables[totalTable].TableName+"表的数据如下");
      myWord.Application.Selection.TypeParagraph();    
      myWord.Application.Selection.TypeParagraph();
      Word.Range para = myWord.Application.Selection.Range;
      myDoc.Tables.Add(para,ds.Tables[totalTable].Rows.Count+1,ds.Tables[totalTable].Columns.Count,ref tableBehavior,ref autoFitBehavior);
      for(int column = 0; column<ds.Tables[totalTable].Columns.Count;column++)
      {
       myDoc.Tables.Item(totalTable+1).Cell(1,column+1).Range.InsertBefore(ds.Tables[0].Columns[column].ColumnName.Trim());
      }   
      for(int row = 0;row<ds.Tables[totalTable].Rows.Count;row++)
      {
       for(int column = 0;column<ds.Tables[totalTable].Columns.Count;column++)
       {
        myDoc.Tables.Item(totalTable+1).Cell(row+2,column+1).Range.InsertBefore(ds.Tables[totalTable].Rows[row][column].ToString().Trim());
       }
      }
      myWord.Application.Selection.EndKey(ref unit,ref extend);
      myWord.Application.Selection.TypeParagraph();
      myWord.Application.Selection.TypeParagraph();
      myWord.Application.Selection.InsertBreak(ref breakType);   
     }
     myWord.Application.Selection.TypeBackspace();
     myWord.Application.Selection.Delete(ref character,ref count);
     myWord.Application.Selection.HomeKey(ref unit,ref extend);
   
     //保存word文件到指定的目录下
     try
     {
      myDoc.SaveAs(ref filename,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing);
      myWord.Visible = true;
     }
     catch
     {
      System.Windows.Forms.MessageBox.Show("系统找不到指定目录下的文件：  "+DATAWORDPATH+tempFileName+WORDPOSTFIX);
      return;
     }
     //让生成的excel文件可见
     myWord.Visible = true;
    }
    catch(Exception ex)
    {
     System.Windows.Forms.MessageBox.Show("向word文件中写入数据出错：  " + ex.Message);
    }
   }
   else
   {
    System.Windows.Forms.MessageBox.Show("No Data");
   }
  }
  /// <summary>
  /// 把图片文件导入到.doc文件
  /// </summary>
  /// <param name="bp"></param>
  public void ExportToWord(Bitmap bp)
  {
   string tempFileName = null;
   string bmpPath = null;
   object filename = null;
   object Nothing = null;
   tempFileName = GetTempFileName();