在vista系统中用C#程序获取excel表格中的数据出错


           public DataSet ImportFromExcel(string file_path)
            {
                if(file_path == "")
                {
                    return null;
                }                connection = "Provider=Microsoft.ACE.OLEDB.12.0;" + "Data Source=" + file_path + ";" +
                             "Extended Properties=Excel 12.0";
                OleDbDataAdapter excel_data = new OleDbDataAdapter("SELECT * FROM [Sheet1$]", connection);                DataSet excel_ds = new DataSet();                try
                {
                    excel_data.Fill(excel_ds);
                }
                catch(Exception ex)
                {
                    MessageBox.Show(ex.ToString());
                    return null;
                }                return excel_ds;
            }
这是我的导入方法，XP\win2007\win2003 都是可以的，但是到了vista中就出错了