前台发送字符串给后台，格式为（a,b,c,d），后台将字符串转换成数组遍历后进而更新CheckId

using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using TL.Common.Util;

namespace S_manager
{
    public partial class S_GetCheckMater : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            string matterId = Request.Params["matterid"];
            char[] chs = { ',' };
            try
            {
                string[] str = matterId.Split(chs, StringSplitOptions.RemoveEmptyEntries);
                string strcnn = ConfigurationManager.ConnectionStrings["conn"].ToString();
                SQLHelper sqlHelper = new SQLHelper(strcnn);
                for (int i = 0; i < str.Length; i++)
                {

       
                        //更新数据库的CheckId
                        string sql = "update growup.dbo.S_Matter set CheckId='1' where S_MatterId ='" + str[i] + "'";
                        DataSet ds_result = sqlHelper.QueryByCmd(sql);
                        //格式化查询结果
                        string json = JsonConvert.SerializeObject(ds_result);
                        //返回给前端
                        Response.Write(json);
                }
            }
            catch { }

        }
    }
}