如何将json传递给C#中的列表对象 [英] How to convet json to list object in C#
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问题描述
亲爱的,
我有一节课
公共课myPracticeInfo
{
public long CandidateID {get;组; }
public long CandidateCertificateID {get;组; }
public long CandidateCertificateModuleID {get;组; }
public int PracticeTimeInMinutes {get;组; }
public int LangugaeID {get;组; }
public int NumberOfQuestions {get;组; }
公共布尔? IsActive {得到;组; }
}
我有一个字符串json,
[{'CandidateID':'17','CandidateCertificateID':'21','CandidateCertificateModuleID':'39','PracticeTimeInMinutes':'20','LangugaeID':'1', 'NumberOfQuestions':'20','IsActive':'true'}]
我的尝试:
public static string CallSavePracticeInfo()
{
var practiceInfo = HttpContext.Current.Request.QueryString [ practiceInfo];
// practiceInfo = practiceInfo.Replace(',\);
var pInfo = JsonConvert.SerializeObject(practiceInfo);
var model = JsonConvert.DeserializeObject< myPracticeInfo> (pInfo);
返回模型!= null?1:0;
}
但上面的代码抛出错误
Newtonsoft.Json.JsonSerializationException:'转换值时出错[{'CandidateID':' 17','CandidateCertificateID':'21','CandidateCertificateModuleID':'39','PracticeTimeInMinutes':'20','LangugaeID':'1','NumberOfQuestions':'20','IsActive':'true' }'键入'Task.UtilityTask + myPracticeInfo'。路径'',第1行,位置193.'
内部异常:
ArgumentException:无法从System.String转换或转换to myPracticeInfo。
任何人都可以帮助我。
提前谢谢。
解决方案
我写了一篇文章来回答这些问题:在C#中使用JSON& VB [ ^ ]
它将提供您需要的所有答案。
您是否正在寻找这样的结果 - < br $> b $ b
如何将Json数组转换为c#中的对象列表 - Stack Overflow [ ^ ]
javascript - 将Json字符串转换为C#对象列表 - 堆栈溢出 [ ^ 一>
Dear All,
I have one class
public class myPracticeInfo { public long CandidateID { get; set; } public long CandidateCertificateID { get; set; } public long CandidateCertificateModuleID { get; set; } public int PracticeTimeInMinutes { get; set; } public int LangugaeID { get; set; } public int NumberOfQuestions { get; set; } public bool? IsActive { get; set; } }
and i have a string json,
[{ 'CandidateID': '17', 'CandidateCertificateID': '21', 'CandidateCertificateModuleID': '39', 'PracticeTimeInMinutes': '20', 'LangugaeID': '1', 'NumberOfQuestions': '20', 'IsActive': 'true'}]
What I have tried:
public static string CallSavePracticeInfo() { var practiceInfo = HttpContext.Current.Request.QueryString["practiceInfo"]; //practiceInfo = practiceInfo.Replace("'", "\""); var pInfo = JsonConvert.SerializeObject(practiceInfo); var model = JsonConvert.DeserializeObject<myPracticeInfo>(pInfo); return model != null ? "1" : "0"; }
But the above code throws error
Newtonsoft.Json.JsonSerializationException: 'Error converting value "[{ 'CandidateID': '17', 'CandidateCertificateID': '21', 'CandidateCertificateModuleID': '39', 'PracticeTimeInMinutes': '20', 'LangugaeID': '1', 'NumberOfQuestions': '20', 'IsActive': 'true'}]" to type 'Task.UtilityTask+myPracticeInfo'. Path '', line 1, position 193.' Inner Exception: ArgumentException: Could not cast or convert from System.String to myPracticeInfo.
Can anyone please help me.
Thanks in advance.
解决方案
I wrote an article to answer these questions: Working with JSON in C# & VB[^]
It will have all the answer that you need.
Are you looking something like this -
How to convert Json array to list of objects in c# - Stack Overflow[^]
javascript - Convert Json String to C# Object List - Stack Overflow[^]
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