protected void dlstGradeCheck_ItemCommand(object source, DataListCommandEventArgs e) { DalOperationAboutGradeCheck dos = new DalOperationAboutGradeCheck(); if (e.CommandName == "delete") { int gradeCheckId = int.Parse(dlstGradeCheck.DataKeys[e.Item.ItemIndex].ToString());//取选中行学生编号 if (dos.DeleteGradeCheckItemById(gradeCheckId) > 0) { Javascript.AlertAndRedirect("删除成功!", "/Administrator/StudentManager.aspx?fragment=5", Page); } else { Javascript.GoHistory(-1, "删除失败!", Page); } } }