小编Muz*_*ye 的帖子

无法将类型为"Newtonsoft.Json.Linq.JArray"的对象强制转换为"System.Collections.Generic.List"

我正在从webservice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: …
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c# json json.net c#-4.0 asp.net-mvc-4

5
推荐指数
3
解决办法
3万
查看次数

Insert 语句与 FOREIGN KEY 约束冲突。实体框架

我的模型如下...

public class Company
{


    [Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
    public Guid Id { get; set; }

    [Required]
    [MaxLength(50)]
    public string Name { get; set; }

    [Required]
    [MaxLength(255)]
    public string Fullname { get; set; }

    public bool HasFuneralInsuranceParlours { get; set; }
    public bool HasFuneralInsurancePolicies { get; set; }
    public bool HasLifeInsurancePolicies { get; set; }


    public bool IsDeleted { get; set; }

    public virtual List<Office> Offices { get; set; }
}


public class Office
{

   [Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
    public Guid Id { get; …
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sql-server asp.net-mvc entity-framework

4
推荐指数
1
解决办法
1万
查看次数