protected void gvFBVideo_RowDeleting(object sender, GridViewDeleteEventArgs e) { int id = Convert.ToInt32(gvFBVideo.DataKeys[e.RowIndex].Value); File.Delete(vb.selVideoUrl(id)); if (vb.delVideo(id) > 0) { Response.Write("<script>alert('删除成功!')</script>"); } gvVideoBind(); }