private void chaxun_Click(object sender, EventArgs e) { timer1.Enabled = false; string url = RestUrl.indexdata; // Product p = new Product(); indexinfo index = new indexinfo(); string indexcontxt; indexcontxt = IndexCon1.Text; switch (indexcontxt) { case "产品编码": index.num = 1; break; case "产品名称": index.num = 2; break; case "产品类别": index.num = 3; break; case "生产车间": index.num = 4; break; } index.conditon = Condition1.Text; Condition1.Clear(); string jsonstring = string.Empty; jsonstring = fastJSON.JSON.Instance.ToJSON(index); HttpWebConnect helper = new HttpWebConnect(); helper.RequestCompleted += new deleGetRequestObject(helper_RequestCompleted_getproducingProduct); helper.TryPostData(url, jsonstring); }