C# 将MSMQ消息转换成Json格式 【优化】

private string ConvertToJSON(string label, string body)
{
//TODO: convert to json
string[] Lablelist = label.Split('|');
string[] Bodylist = body.Split('|');
string JsonStr = "{\"";

NameValueCollection nvc = (NameValueCollection)ConfigurationManager.GetSection("LableName");
foreach (string key in nvc.AllKeys)
{
JsonStr = JsonStr + nvc[key] + "\":\"" + Lablelist[Convert.ToInt32(key)-1] + "\",\"";
}

NameValueCollection nvd = (NameValueCollection)ConfigurationManager.GetSection("BodyName");
foreach (string key in nvd.AllKeys)
{
JsonStr = JsonStr + nvd[key] + "\":\"" + Bodylist[Convert.ToInt32(key) - 1] + "\",\"";
}

JsonStr = JsonStr.Remove(JsonStr.Length - 2, 2)+"}";
Console.WriteLine(JsonStr);
return JsonStr;
}

<?xml version="1.0" encoding="utf-8" ?

>
<configuration>
<configSections>
<section name="LableName" type="System.Configuration.NameValueSectionHandler"/>
<!--以NameValue键值/对的形式返回配置节中的信息-->
<section name="BodyName" type="System.Configuration.NameValueSectionHandler"/>
<!--以Dictionary字典键值对的形式返回配置节中的信息-->
</configSections>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
</startup>

<LableName>
<add key="1" value="MessageID"/>
<add key="2" value="SendingBaseTag"/>
<add key="3" value="SendingMachineName"/>
<add key="4" value="MessageQueuePathName"/>
<add key="5" value="CustomField1"/>
<add key="6" value="CustomField2"/>
</LableName>

<BodyName>
<add key="1" value="DataMode"/>
<add key="2" value="DataModeID"/>
<add key="3" value="ExperimentID"/>
<add key="4" value="BasePenType"/>
<add key="5" value="BasePenTypeID"/>
<add key="6" value="MID"/>
<add key="7" value="StationTag"/>
<add key="8" value="DateTime"/>
<add key="9" value="Path1"/>
<add key="10" value="EquipmentID1"/>
<add key="11" value="Path2"/>
<add key="12" value="EquipmentID2"/>
</BodyName>

</configuration>