C# 无法强制转换类型为';Newtonsoft.Json.Linq.JArray';输入';System.Collections.Generic.List`

C# 无法强制转换类型为';Newtonsoft.Json.Linq.JArray';输入';System.Collections.Generic.List`,c#,json,asp.net-mvc-4,c#-4.0,json.net,C#,Json,Asp.net Mvc 4,C# 4.0,Json.net,我正在从网络服务读取数据。json对象看起来像: var goldString = [ { "date":"20151109", "day":30, "month":"November", "year":2015, "club":9, "clubName":"Flamingo", "itw":"XYD", "races":{ "1":{

我正在从网络服务读取数据。json对象看起来像:

var goldString = [  
   {  
      "date":"20151109",
      "day":30,
      "month":"November",
      "year":2015,
      "club":9,
      "clubName":"Flamingo",
      "itw":"XYD",
      "races":{  
         "1":{  
            "race":1,
            "time":"12:20",
            "raceStatus":"Undecided",
            "reference":91,
            "name":"WELCOME TO FLAMINGO PARK MAIDEN PLATE",
            "description":"For Maidens",
            "distance":1000,
            "stake":"R46,000",
            "stakes":"1st: R28,750 | 2nd: R9,200 | 3rd: R4,600 | 4th: R2,300 | 5th: R1,150",
            "surface":"Sand",
            "going":"\u0000",
            "goingDescription":"",
            "grade":0,
            "division":"MDNM",
            "group":"G",
            "class":"MAIDEN PLATE",
            "condition":"For Maidens",
            "handicap":false,
            "minWins":0,
            "maxWins":0,
            "minAge":"n\/a",
            "maxAge":"n\/a",
            "gender":"n\/a",
            "runners":[  

            ]
         },
         "2":{  
            "race":2,
            "time":"12:50",
            "raceStatus":"Undecided",
            "reference":92,
            "name":"RACING. IT'S A RUSH PINNACLE STAKES",
            "description":"Open",
            "distance":1800,
            "stake":"R66,000",
            "stakes":"1st: R41,250 | 2nd: R13,200 | 3rd: R6,600 | 4th: R3,300 | 5th: R1,650",
            "surface":"Sand",
            "going":"\u0000",
            "goingDescription":"",
            "grade":0,
            "division":"PINN",
            "group":"A",
            "class":"PINNACLE STAKES",
            "condition":"Open",
            "handicap":false,
            "minWins":"n\/a",
            "maxWins":"n\/a",
            "minAge":"n\/a",
            "maxAge":"n\/a",
            "gender":"n\/a",
            "runners":[  

            ]
         },
         "3":{  
            "race":3,
            "time":"13:20",
            "raceStatus":"Undecided",
            "reference":93,
            "name":"INTERNATIONAL JOCKEYS' CHALLENGE 14 NOVEMBER MAIDEN PLATE",
            "description":"For Maidens",
            "distance":1800,
            "stake":"R46,000",
            "stakes":"1st: R28,750 | 2nd: R9,200 | 3rd: R4,600 | 4th: R2,300 | 5th: R1,150",
            "surface":"Sand",
            "going":"\u0000",
            "goingDescription":"",
            "grade":0,
            "division":"MDNM",
            "group":"G",
            "class":"MAIDEN PLATE",
            "condition":"For Maidens",
            "handicap":false,
            "minWins":0,
            "maxWins":0,
            "minAge":"n\/a",
            "maxAge":"n\/a",
            "gender":"n\/a",
            "runners":[  

            ]
         },
         "4":{  
            "race":4,
            "time":"13:50",
            "raceStatus":"Undecided",
            "reference":94,
            "name":"SOCCER 6 MR 65 HANDICAP",
            "description":"Open",
            "distance":1600,
            "stake":"R43,000",
            "stakes":"1st: R26,875 | 2nd: R8,600 | 3rd: R4,300 | 4th: R2,150 | 5th: R1,075",
            "surface":"Sand",
            "going":"\u0000",
            "goingDescription":"",
            "grade":0,
            "division":"MR65",
            "group":"E",
            "class":"MR 65 HANDICAP",
            "condition":"Open",
            "handicap":true,
            "minWins":"n\/a",
            "maxWins":"n\/a",
            "minAge":"n\/a",
            "maxAge":"n\/a",
            "gender":"n\/a",
            "runners":[  

            ]
         },
         "5":{  
            "race":5,
            "time":"14:20",
            "raceStatus":"Undecided",
            "reference":95,
            "name":"COMPUTAFORM EXPRESS MR 72 HANDICAP",
            "description":"Open",
            "distance":1400,
            "stake":"R46,000",
            "stakes":"1st: R28,750 | 2nd: R9,200 | 3rd: R4,600 | 4th: R2,300 | 5th: R1,150",
            "surface":"Sand",
            "going":"\u0000",
            "goingDescription":"",
            "grade":0,
            "division":"MR72",
            "group":"D",
            "class":"MR 72 HANDICAP",
            "condition":"Open",
            "handicap":true,
            "minWins":"n\/a",
            "maxWins":"n\/a",
            "minAge":"n\/a",
            "maxAge":"n\/a",
            "gender":"n\/a",
            "runners":[  

            ]
         },
         "6":{  
            "race":6,
            "time":"14:55",
            "raceStatus":"Undecided",
            "reference":96,
            "name":"RACING ASSOCIATION FM 67 HANDICAP (F & M)",
            "description":"For Fillies and Mares",
            "distance":1400,
            "stake":"R46,000",
            "stakes":"1st: R28,750 | 2nd: R9,200 | 3rd: R4,600 | 4th: R2,300 | 5th: R1,150",
            "surface":"Sand",
            "going":"\u0000",
            "goingDescription":"",
            "grade":0,
            "division":"FM67",
            "group":"E",
            "class":"FM 67 HANDICAP (F & M)",
            "condition":"For Fillies and Mares",
            "handicap":true,
            "minWins":"n\/a",
            "maxWins":"n\/a",
            "minAge":"n\/a",
            "maxAge":"n\/a",
            "gender":"female",
            "runners":[  

            ]
         },
         "7":{  
            "race":7,
            "time":"15:25",
            "raceStatus":"Undecided",
            "reference":97,
            "name":"SOCCER GG MR 66 HANDICAP",
            "description":"Open",
            "distance":1200,
            "stake":"R43,000",
            "stakes":"1st: R26,875 | 2nd: R8,600 | 3rd: R4,300 | 4th: R2,150 | 5th: R1,075",
            "surface":"Sand",
            "going":"\u0000",
            "goingDescription":"",
            "grade":0,
            "division":"MR66",
            "group":"E",
            "class":"MR 66 HANDICAP",
            "condition":"Open",
            "handicap":true,
            "minWins":"n\/a",
            "maxWins":"n\/a",
            "minAge":"n\/a",
            "maxAge":"n\/a",
            "gender":"n\/a",
            "runners":[  

            ]
         },
         "8":{  
            "race":8,
            "time":"15:55",
            "raceStatus":"Undecided",
            "reference":98,
            "name":"BOOK A TABLE 011 6811702 MR 84 HANDICAP",
            "description":"Open",
            "distance":1000,
            "stake":"R55,000",
            "stakes":"1st: R34,375 | 2nd: R11,000 | 3rd: R5,500 | 4th: R2,750 | 5th: R1,375",
            "surface":"Sand",
            "going":"\u0000",
            "goingDescription":"",
            "grade":0,
            "division":"MR84",
            "group":"C",
            "class":"MR 84 HANDICAP",
            "condition":"Open",
            "handicap":true,
            "minWins":"n\/a",
            "maxWins":"n\/a",
            "minAge":"n\/a",
            "maxAge":"n\/a",
            "gender":"n\/a",
            "runners":[  

            ]
         },
         "9":{  
            "race":9,
            "time":"16:30",
            "raceStatus":"Undecided",
            "reference":99,
            "name":"NEXT FLAMINGO PARK RACE MEETING IS MONDAY 16 NOV FM 60 HANDICAP (F & M)",
            "description":"For Fillies and Mares",
            "distance":1000,
            "stake":"R43,000",
            "stakes":"1st: R26,875 | 2nd: R8,600 | 3rd: R4,300 | 4th: R2,150 | 5th: R1,075",
            "surface":"Sand",
            "going":"\u0000",
            "goingDescription":"",
            "grade":0,
            "division":"FM60",
            "group":"F",
            "class":"FM 60 HANDICAP (F & M)",
            "condition":"For Fillies and Mares",
            "handicap":true,
            "minWins":"n\/a",
            "maxWins":"n\/a",
            "minAge":"n\/a",
            "maxAge":"n\/a",
            "gender":"female",
            "runners":[  

            ]
         }
      }
   }
]
公共RunOns反序列化AccountRunons(字符串json) { var myClass=new JavaScriptSerializer()。反序列化(json); 返回(运行)myClass; }

公营班级 { 公共PubRunns Runns{get;set;} }

我得到一个例外: 无法将“
System.object[]
”类型的对象强制转换为“
MyProject.Class
”类型 有什么想法吗?提前感谢您。

JArray jsonResponse=JArray.Parse(goldString);
JArray jsonResponse = JArray.Parse(goldString);

foreach (var item in jsonResponse)
{
    JObject jRaces = (JObject)item["races"];
    foreach (var rItem in jRaces)
    {
        string rItemKey = rItem.Key;
        JObject rItemValueJson = (JObject)rItem.Value;
        Races rowsResult = Newtonsoft.Json.JsonConvert.DeserializeObject<Races>(rItemValueJson.ToString());
    }
}
foreach(jsonResponse中的var项) { JObject jRaces=(JObject)项[“种族”]; foreach(jRaces中的var-rItem) { 字符串rItemKey=rItem.Key; JObject rItemValueJson=(JObject)rItem.Value; Races rowsResult=Newtonsoft.Json.JsonConvert.DeserializeObject(rItemValueJson.ToString()); } }
可以尝试:

JArray jsonResponse = JArray.Parse(goldString);

foreach (var item in jsonResponse)
{
    foreach (var rItem in jRaces)
    {
        string rItemKey = rItem.Key;
        JObject rItemValueJson = (JObject)rItem.Value;
        Races rowsResult = item.Value<JObject>("races").ToObject<Races>();
    }
}
JArray-jsonResponse=JArray.Parse(goldString);
foreach(jsonResponse中的var项)
{
foreach(jRaces中的var-rItem)
{
字符串rItemKey=rItem.Key;
JObject rItemValueJson=(JObject)rItem.Value;
Races rowsResult=item.Value(“Races”).ToObject();
}
}
输入所需的类型

selectedVals=JsonConvert.DeserializeObject(cInDb.PropValue);

不要强制转换…

您的JSON是列表(数组)而不是对象,因此第一个问题是您正在将JSON列表(数组)强制转换为类对象。@ParthTrivedi如果我将更改为runns myClass=new JavaScriptSerializer()。反序列化(JSON);我仍然收到一个错误“MyPropert不支持反序列化数组。”太好了!如果它是json对象,那么它工作得很好,谢谢!
JArray jsonResponse = JArray.Parse(goldString);

foreach (var item in jsonResponse)
{
    JObject jRaces = (JObject)item["races"];
    foreach (var rItem in jRaces)
    {
        string rItemKey = rItem.Key;
        JObject rItemValueJson = (JObject)rItem.Value;
        Races rowsResult = Newtonsoft.Json.JsonConvert.DeserializeObject<Races>(rItemValueJson.ToString());
    }
}
JArray jsonResponse = JArray.Parse(goldString);

foreach (var item in jsonResponse)
{
    foreach (var rItem in jRaces)
    {
        string rItemKey = rItem.Key;
        JObject rItemValueJson = (JObject)rItem.Value;
        Races rowsResult = item.Value<JObject>("races").ToObject<Races>();
    }
}
selectedVals = JsonConvert.DeserializeObject<int[]>(cInDb.PropValue);