zoukankan      html  css  js  c++  java
  • 将json字符串转换为DataTable

    字符串

     {

    "Answer": [{
            "PatientId": "xx",
            "Question": "158",
            "AnswerContent": "3"
        }, {
            "PatientId": "aa",
            "Question": "159",
            "AnswerContent": "2"
        }]

    }

     public DataTable JsonTdb(string strJson)
            {
                DataTable dataTable = new DataTable();  //实例化
                DataTable result;
                 try
                    {
                        
                        JavaScriptSerializer javaScriptSerializer = new JavaScriptSerializer();    //引用System.Web.Extensions
                        javaScriptSerializer.MaxJsonLength = Int32.MaxValue; //取得最大数值
                        ArrayList arrayList = javaScriptSerializer.Deserialize<ArrayList>(strJson);
                        if (arrayList.Count > 0)
                        {
                            foreach (Dictionary<string, object> dictionary in arrayList)
                            {
                                if (dictionary.Keys.Count<string>() == 0)
                                {
                                    result = dataTable;
                                    // return result;
                                }
                                if (dataTable.Columns.Count == 0)
                                {
                                    foreach (string current in dictionary.Keys)
                                    {
                                        dataTable.Columns.Add(current, dictionary[current].GetType());
                                    }
                                }
                                DataRow dataRow = dataTable.NewRow();
                                foreach (string current in dictionary.Keys)
                                {
                                    dataRow[current] = dictionary[current];
                                }

                                dataTable.Rows.Add(dataRow); //循环添加行到DataTable中
                            }
                        }
                    }
                    catch
                    {
                    }
                  return   dataTable;
                    // return result;
                }

  • 相关阅读:
    Centos下安装Redis
    BZOJ 4870 [Shoi2017]组合数问题 ——动态规划 矩阵乘法
    BZOJ 4868 [Shoi2017]期末考试 ——三分 枚举
    BZOJ 4584 [Apio2016]赛艇 ——动态规划
    BZOJ 2806 [Ctsc2012]Cheat ——后缀自动机 单调队列优化DP
    BZOJ 2330 [SCOI2011]糖果 ——差分约束系统 SPFA
    Topcoder SRMCards ——贪心
    CTSC 1999 家园 【网络流24题】星际转移
    BZOJ 3489 A simple rmq problem ——KD-Tree
    BZOJ 2733 [HNOI2012]永无乡 ——线段树 并查集
  • 原文地址:https://www.cnblogs.com/lq0418/p/9025505.html
Copyright © 2011-2022 走看看