如何在现有JSON中添加值？

Question

我有以下JSON

{Name = \""john kk\"", Ownership = \"Private\", Phone = \"9999999999\", Active = \"Yes\" }

这里我想从密钥的C＃请求对象中插入值 即。姓名，电话 然后必须发送服务电话。 如何将值插入现有的json

我有下面的代码：  public AccountResponse SetSalseforceAccounts（AccountRequest request）     {       返回ServiceCall（       请求，       “请求已成功完成”，       “无法完成请求”，       空值，       空值，       （AccountResponse响应）=＆gt;       {         // string AccountId =从core.Account表中获取salesforce AccountId并传递更新和删除。

    SalesForceService.SalesForceServiceClient salesFroceServiceClient = new SalesForceService.SalesForceServiceClient();
    SalesForceService.SalesForceRequest salesForceReq = new SalesForceService.SalesForceRequest();
    using (new OperationContextScope(salesFroceServiceClient.InnerChannel))
    {
      try
      {

        string data = String.Format("{\"Name\":\"{0}\", \"Ownership\":\"1005555\", \"Phone\":\"545454545\", \"Active__c\":\"{1}\"}", request.Entity.ShortName, request.Entity.Active ? "Yes" : "No");
        salesForceReq.Data = data;
        if (request.Action == RequestActions.Create)
        {
          //response.SalesForceResponce = salesFroceServiceClient.CreateSalesForceAccount(accountData);
          //SalesForceService.SalesForceResponse result = salesFroceServiceClient.CreateSalesForceAccount(accountData);
        }
        else if (request.Action == RequestActions.Update)
        {
          //SalesForceService.SalesForceResponse 
          SalesForceService.SalesForceResponse result = salesFroceServiceClient.CreateSalesForceAccount(salesForceReq);
          //salesFroceServiceClient.UpdateSalesForceAccount();
        }
        else if (request.Action == RequestActions.Delete)
        {
          //salesFroceServiceClient.UpdateSalesForceAccount();
        }            
      }
      finally
      {
        salesFroceServiceClient.Close();
      }
    }
  });
}