我想在完成读取并将数据源绑定到网格视图后删除 excel 和 csv 文件。但是在我成功删除文件后,我的网格视图有空数据...
DataTable dt = GetCsvData(_path, _filename);
gvList.DataSource = dt;
gvList.DataBind(); // before delete, gridview has data..
File.Delete(_path+_filename); // after delete, gridview has empty data