protected void btnSubmit_Click(object sender, EventArgs e) { if (CheckTime() == true) { if (FUL.HasFile) { string busyworkname = bm.ReturnBusyworkName(Request.Cookies["StudentID"].Value.ToString(), Request.Cookies["StudentName"].Value.ToString(), Request.QueryString["time"].ToString()); UploadFile(busyworkname); } else { Response.Write("<Script language='JavaScript'>alert('" + "没有上传文件!" + "');</Script>"); } } else { Response.Write("<Script language='JavaScript'>alert('" + "时间已经过期!" + "');</Script>"); } }