string jsonText =

"{‘Total‘:‘0‘,‘Rows‘:[{‘id‘:‘31‘,‘project‘:‘6‘,‘project_name‘:‘一卡通‘,‘name‘:‘接口测试！‘,‘assignedTo‘:‘zhangsan‘,"

+"‘realname‘:‘张三‘,‘estStarted‘:‘2016/11/23‘,‘realStarted‘:‘2000/01/01‘,‘status‘:‘wait‘},"

+ "{‘id‘:‘32‘,‘project‘:‘6‘,‘project_name‘:‘一卡通‘,‘name‘:‘测试服务器调通！‘,‘assignedTo‘:‘lisi‘,"

+"‘realname‘:‘李四‘,‘estStarted‘:‘2016/11/23‘,‘realStarted‘:‘2016/11/23‘,‘status‘:‘wait‘}]}";

JObject json1 = (JObject)JsonConvert.DeserializeObject(jsonText);

JArray array = (JArray)json1["Rows"];

int i = array.Count;

string aa="";

foreach (var jObject in array)

{
    //赋值属性
    aa = jObject["id"].ToString();//获取字符串中id值
}