protected void ImageButton_delete_Click(object sender, EventArgs e) { LinkButton linkButton = sender as LinkButton; string id = linkButton.CommandArgument; Attendance attend = new Attendance(); attend.Id = id; AttendanceBLL attendBLL = new AttendanceBLL(); attendBLL.delete(attend); Response.Write("<script>alert('删除成功!');location.href='attendanceStatistics.aspx';</script>"); }