public DataSet WordAsDataSet(string _filename)
        {
            DataSet ds = new DataSet();
 
            Object Nothing = System.Reflection.Missing.Value;
 
            object filename = _filename;
            //創(chuàng)建一個名為WordApp的組件對象
            DateTime beforetime = DateTime.Now;
            Word.Application WordApp = new Word.Application();
            //創(chuàng)建一個名為WordDoc的文檔對象
            WordApp.DisplayAlerts = Word.WdAlertLevel.wdAlertsNone;
 
            Word.Document WordDoc = WordApp.Documents.Open(ref filename, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing);
 
            WordDoc.SpellingChecked = false;//關(guān)閉拼寫檢查
 
            WordDoc.ShowSpellingErrors = false;//關(guān)閉顯示拼寫錯誤提示框
 
            DateTime aftertime = DateTime.Now;
//遍歷所有的Word里的表格，并寫到數(shù)據(jù)集的TABLES集合里
            foreach (Word.Table wTable in WordDoc.Tables)
            {
                System.Data.DataTable dt = new System.Data.DataTable();
                for (int colPos = 1; colPos <= wTable.Columns.Count; colPos++)
                {
                    DataColumn dc = new DataColumn();
                    dc.ColumnName = "F" + colPos.ToString();
                    dt.Columns.Add(dc);
                }
 
                for (int rowPos = 1; rowPos <= wTable.Rows.Count; rowPos++)
                {
                    DataRow drNew = dt.NewRow();
                    int columnIndex = 0;
                    foreach (Word.Cell cellObj in wTable.Rows[rowPos].Cells)
                    {
                        drNew[columnIndex] = cellObj.Range.Text.Remove(cellObj.Range.Text.Length - 2, 2);//remove \r\a
                        columnIndex++;
                    }
                    dt.Rows.Add(drNew);
                }
                ds.Tables.Add(dt);
            }
 
 
            WordDoc.Close(ref Nothing, ref Nothing, ref Nothing);
            //關(guān)閉WordApp組件對象
            WordApp.Quit(ref Nothing, ref Nothing, ref Nothing);
 
            KillProcessByStartTime("WINWORD", beforetime, aftertime);
 
            return ds;
        }

public string KillProcessByStartTime(string processName,DateTime beforetime,DateTime aftertime)
		{
			Process[] ps = Process.GetProcesses();
			foreach (Process p in ps)  
			{
				if(p.ProcessName.ToUpper()!=processName) continue;
				if(p.StartTime > beforetime && p.StartTime < aftertime)
				{
					try
					{
						p.Kill();
					}
					catch(Exception e)
					{
						return e.Message;
					}
				}
			}  
			return "";
		}