protected void btn_Save_Click(object sender, EventArgs e) { DataEntities ent = new DataEntities(); int id = WS.RequestInt("id"); Link l = (from ls in ent.Link where ls.ID == id select ls).FirstOrDefault(); l.Index = txt_Index.Text.ToInt32(); l.LinkTitle = txt_LinkTitle.Text.TrimDbDangerousChar(); l.Url = txt_Url.Text.TrimDbDangerousChar(); if (id <= 0) { ent.AddToLink(l); } ent.SaveChanges(); ent.Dispose(); CreatePage.GreateIndexPage(); Js.AlertAndChangUrl("保存成功!","LinkList.aspx"); }