DataGrid邦定文件夹内的指定类型文件

private void BindToDG()
        {
            Directory.SetCurrentDirectory(Operater.Server.ServerPath()+"backup\\");
            string fd=Directory.GetCurrentDirectory();
            string[] fileEntries=Directory.GetFiles(fd,"*.bak");
            DataTable dt = new DataTable();
            DataRow dr; 
            dt.Columns.Add(new DataColumn("文件名称", typeof(string)));
            dt.Columns.Add(new DataColumn("创建时间", typeof(DateTime)));
            dt.Columns.Add(new DataColumn("修改时间", typeof(DateTime)));            
            foreach(string filename in fileEntries)
            {
                string d=Operater.Server.ServerPath()+"backup\\";
                int i=d.Length ;
                dr = dt.NewRow();
                dr[0]=filename.Remove(0,i);
                dr[1]=File.GetCreationTime(filename);
                dr[2]=File.GetLastAccessTime(filename);
                dt.Rows.Add(dr);
            }
            DataView dv = new DataView(dt);
            this.DataGrid1.DataSource=dv;
            this.DataGrid1.DataBind();
        }

删除操作：

private void DataGrid1_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
        {
            string path=Operater.Server.ServerPath()+"backup\\"+(string)this.DataGrid1.Items[e.Item.ItemIndex].Cells[1].Text.ToString();
            File.Delete(path);
            this.BindToDG();
        }