protected void Page_Load(object sender, EventArgs e) { int id = Convert.ToInt32(Request["Id"]); if (!IsPostBack) { Notice model = new Notice(); DataTable dt = bll.QueryNotice(id); DataRow dr = dt.Rows[0]; if (dt.Rows.Count > 0) { title = dr["title"].ToString(); news = dr["news"].ToString(); time = Convert.ToDateTime(dr["time"]); } } else { title = Request["navtitle"]; news = Request["navnews"]; time = Convert.ToDateTime(Request["navtime"]); if (title != "" && news != "") { DataTable dt = bll.showNotice(); foreach (DataRow item in dt.Rows) { if (item["title"].ToString() == title) { Response.Write("<script>alert('通知标题不能重复!!!');</script>"); return; } if (item["news"].ToString() == news) { Response.Write("<script>alert('通知内容不能重复!!!');</script>"); return; } } int result = bll.EditNotice(id, title, news, time); if (result > 0) { Response.Write("<script>alert('修改成功!');window.location.href='InformList.aspx'</script>"); } } else { Response.Write("<script>alert('通知标题或内容不能为空!!!');</script>"); } } }