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C# Firebase数据库时间戳未序列化,解析值时遇到错误{.Path';date';,_C#_Asp.net Mvc_Firebase_Google Cloud Firestore - Fatal编程技术网

C# Firebase数据库时间戳未序列化,解析值时遇到错误{.Path';date';,

C# Firebase数据库时间戳未序列化,解析值时遇到错误{.Path';date';,,c#,asp.net-mvc,firebase,google-cloud-firestore,C#,Asp.net Mvc,Firebase,Google Cloud Firestore,我想检索firestore集合的时间戳数据,但我在分析值时遇到错误-{“意外字符:{.Path'date' 样本数据集 {"Tyres":"12","sr_no":"","TruckNumber":"TS 12345","image_url":"https://firebasestorage.googleapis.com/v0/b/truck-

我想检索firestore集合的时间戳数据,但我在分析值时遇到错误-{“意外字符:{.Path'date'

样本数据集

{"Tyres":"12","sr_no":"","TruckNumber":"TS 12345","image_url":"https://firebasestorage.googleapis.com/v0/b/truck-41c31.appsp.jpg?alt=media&token=2dc86208-7f71-4e3c-876c-70a80d4822bf","date":{}}
代码

firestore日期字段数据-
2020年6月29日UTC 22:23:44+5:30时
 foreach (DocumentSnapshot documentSnapshot in truckQuerySnapshot.Documents)
                {
                    if (documentSnapshot.Exists)
                    {
                        Dictionary<string, object> city = documentSnapshot.ToDictionary();
                        city["date"] = DateTime.Now.ToString();//modified here for resolve
                        string json = JsonConvert.SerializeObject(city);
                        Truck newtruck = JsonConvert.DeserializeObject<Truck>(json);
                        newtruck.Docid = documentSnapshot.Id;
                        newtruck.date = documentSnapshot.CreateTime.Value.ToDateTime();
                        lstTruck.Add(newtruck);
                    }
                }
{ if(documentSnapshot.Exists) { Dictionary city=documentSnapshot.ToDictionary(); city[“date”]=DateTime.Now.ToString();//在此处修改以解决此问题 字符串json=JsonConvert.SerializeObject(城市); Truck newtruck=JsonConvert.DeserializeObject(json); newtruck.Docid=documentSnapshot.Id; newtruck.date=documentSnapshot.CreateTime.Value.ToDateTime(); lstruck.Add(newtruck); } }

我现在在序列化对象(城市)之前分配了datetime,我的错误消失了。

您的
日期
在“示例数据集中”是一个空对象。无法解析为datetime。也就是说,“2020年6月29日22:23:44 UTC+5:30“也不是标准的DateTime,除非您使用自定义解析器,否则不会进行解析。我在序列化之前进行了修改,工作正常,city[“date”]=DateTime.Now.ToString();谢谢@Oerkelens如果您已解决此问题,请将其添加为答案,以便其他人更容易找到它?
 {

        [FirestoreProperty]
        [Required]
        public string TruckNumber { get; set; }
        [FirestoreProperty]
        [Required]
        public string Tyres { get; set; }
      
        public DateTime date { get; set; }
        [FirestoreProperty]
        [Required]
        public string image_url { get; set; }
        [FirestoreProperty]
        [Required]
        public string sr_no { get; set; }
    }
 foreach (DocumentSnapshot documentSnapshot in truckQuerySnapshot.Documents)
                {
                    if (documentSnapshot.Exists)
                    {
                        Dictionary<string, object> city = documentSnapshot.ToDictionary();
                        city["date"] = DateTime.Now.ToString();//modified here for resolve
                        string json = JsonConvert.SerializeObject(city);
                        Truck newtruck = JsonConvert.DeserializeObject<Truck>(json);
                        newtruck.Docid = documentSnapshot.Id;
                        newtruck.date = documentSnapshot.CreateTime.Value.ToDateTime();
                        lstTruck.Add(newtruck);
                    }
                }