protected void btn_Order_Click(object sender, ImageClickEventArgs e) { foreach (GridViewRow row in grvCateNewsGroup.Rows) { TextBox textOrder = (TextBox)row.FindControl("txtOrder"); int cOrder = Convert.ToInt32(textOrder.Text); int cateID = Convert.ToInt32(row.Cells[0].Text); CateNewsGroupBSO catenewsGroupBSO = new CateNewsGroupBSO(); catenewsGroupBSO.CateNewsGroupUpOrder(cateID, cOrder); } ViewCateGroup(); }