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如何使用json.net将c#通用列表转换为json？

2019-06-28 Json 前端之家

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我将我的datatable转换为c#通用列表。

DataTable dt = mydata();
 List<DataRow> list = dt.AsEnumerable().ToList();

现在我如何使用json.net将此列表转换为json？任何建议。

json格式的样本应该是这样的，

{"Table" : [{"userid" : "1","name" : "xavyTechnologies","designation" : "","phone" : "9999999999","email" : "test@test.com","role" : "Admin","empId" : "","reportingto" : ""},{"userid" : "2","name" : "chendurpandian","designation" :
 "softwaredeveloper","phone" : "9566643707","email" : "chendur.pandia@gmail.com","role" : "Super User","empId" : "1","reportingto" : "xavyTechnologies"},{"userid" : "3","name" : "sabarinathan","designation" : "marketer","phone" :
"66666666666","email" : "bala3569@gmail.com","role" : "User","empId" : "2","reportingto" : "chendurpandian"}]}

@H_404_10@

这里有一个例子：

using System;
using System.Data;
using Newtonsoft.Json.Linq;

class Test
{
    static void Main()
    {
        DataTable table = new DataTable();
        table.Columns.Add("userid");
        table.Columns.Add("phone");
        table.Columns.Add("email");

        table.Rows.Add(new[] { "1","9999999","test@test.com" });
        table.Rows.Add(new[] { "2","1234567","foo@test.com" });
        table.Rows.Add(new[] { "3","7654321","bar@test.com" });

        var query = from row in table.AsEnumerable()
                    select new {
                        userid = (string) row["userid"],phone = (string) row["phone"],email = (string) row["email"]            
                    };

        JObject o = JObject.FromObject(new
        {
            Table = query
        });

        Console.WriteLine(o);
    }
}

文件：LINQ to JSON with Json.NET