I am building an API pulling data from Azure SQL would like to create a JSON array.
Currently I have an Azure Function written in C#.
Sample data looks like this:
I would like the output to look like this
My Azure Function is working fine, I just need to create an array. (I think)
await connection.OpenAsync();
SqlDataReader dataReader = await command.ExecuteReaderAsync();
var r = Serialize(dataReader);
json = JsonConvert.SerializeObject(r, Formatting.Indented);
I'm new to .NET and not sure quite where to begin. Thanks!
You could do it this way. Read the data into a Type that you can then use LINQ on to group into the desired shape, then serialize to JSON.
//Start with a list of the raw data by reading the rows into CardData list
List<CardData> cards = new List<CardData>();
while (dataReader.Read())
{
//You should check for DBNull, this example not doing that
cards.Add(new CardData
{
card_key = dataReader.GetString(0),
card_name = dataReader.GetString(1),
card_network = dataReader.GetString(2),
annual_fee = dataReader.GetDecimal(3),
speed_bonus_category = dataReader.GetString(4),
speed_bonus_amount = dataReader.GetInt32(5)
});
}
//Now transform the data into an object graph that will serialize
//to json the way you want. (flattens the redundant data)
var grp = cards.GroupBy(x => new { x.card_key, x.card_name, x.card_network, x.annual_fee });
var groupedData = new List<CardsModel>();
groupedData = grp.Select(g => new CardsModel
{
card_key = g.Key.card_key,
card_name = g.Key.card_name,
card_network = g.Key.card_network,
annual_fee = g.Key.annual_fee,
Bonuses = g.Select(b => new SpeedBonus
{
SpeedBonusCategory = b.speed_bonus_category,
SpeedBonusAmount = b.speed_bonus_amount
}).ToList()
}).ToList();
//Finally you can serialize
var json = JsonConvert.SerializeObject(groupedData, Formatting.Indented);
Here are the supporting classes you could use:
//represents the non-redundant object graph
public class CardsModel
{
public string card_key { get; set; }
public string card_name { get; set; }
public string card_network { get; set; }
public decimal annual_fee { get; set; }
public List<SpeedBonus> Bonuses { get; set; }
}
public class SpeedBonus
{
public string SpeedBonusCategory { get; set; }
public int SpeedBonusAmount { get; set; }
}
//represents raw data, has redundant cc info
public class CardData
{
public string card_key { get; set; }
public string card_name { get; set; }
public string card_network { get; set; }
public decimal annual_fee { get; set; }
public string speed_bonus_category { get; set; }
public int speed_bonus_amount { get; set; }
}
Related
I am using lambda expression to access values with data type, but the problem I have data type for Time as Time(7) on my local database and using Entity Framework. On my model this data type is define as DateTime.
How do I now access this data type to be time?
This is my code:
public List GetIncident_Details()
{
Entities incident = new Entities();
List result = new List();
var c_incident = incident.Incident_Template.Select(c => c).ToList();
if (c_incident != null && c_incident.Count() > 0)
{
foreach (var cData in c_incident)
{
Incident_DropDown model = new Incident_DropDown();
model.Title = cData.Title;
model.Description = cData.Description;
model.Date_Occurred = cData.Date_Occurred;
// How do I change this to have access?
// It's complaining about the data type object being set to a string?
model.Time = cData.Time;
model.Assignment_Group = cData.Assignment_Group;
model.Reported_CI = cData.Reported_CI;
result.Add(model);
}
}
return result;
}
public class Incident_DropDown
{
public string Title { get; set; }
public string Description { get; set; }
public string Date_Occurred { get; set; }
public DateTime Time { get; set; } // Time
public string Assignment_Group { get; set; }
public string Reported_CI { get; set; }
}
Took some advice from #alexey-rumyantsev, then had to test my code by interrogating model data type for Time it was Date Time, then change to Timespan. While testing this data type compare to my local database record and it was passing correct vales when debugging.
// Model name
public class Incident_DropDown
{
public string Title { get; set; }
public string Description { get; set; }
public string Date_Occured { get; set; }
public TimeSpan Time { get; set; } // had to change to work
public string Assignment_Group { get; set; }
public string Reported_CI { get; set; }
}
// Controller
public List<Incident_DropDown> GetIncident_Details()
{
Entities incident = new Entities();
List<Incident_DropDown> result = new List<Incident_DropDown>();
var c_incident = incident.Incident_Template.Select(c => c).ToList();
if (c_incident != null && c_incident.Count() > 0)
{
foreach (var cData in c_incident)
{
Incident_DropDown model = new Incident_DropDown();
model.Title = cData.Title;
model.Description = cData.Description;
model.Date_Occured = cData.Date_Occured;
model.Time = cData.Time; // This here enable to pass correct time as per database record
model.Assignment_Group = cData.Assignment_Group;
model.Reported_CI = cData.Reported_CI;
result.Add(model);
}
}
return result;
}
I need to populate a dropdown in my UI and hence added List object to the view model in my c# application. I am fetching the data in my controller code for the dropdown. What's the best way to assign data to the viewmodel object. Is linq an option?
I basically need to assign fundclasses to fundTrackRecord.FundClass
The main Viewmodel:
public class FundPerformanceVM
{
public FundPerformanceVM()
{
TrackRecord = new List<TrackRecordVM>();
}
public int FundId { get; set; }
public string FundName { get; set; }
public List<FundClassVM> FundClass { get; set; }
public string BenchmarkName1 { get; set; }
public string BenchmarkName2 { get; set; }
public List<TrackRecordVM> TrackRecord { get; set; }
public List<Tuple<string, string, string>> FundStatistics { get; set; }
}
public class FundClassVM
{
public int FundClassId { get; set; }
public string FundClass { get; set; }
}
Controller code:
var service = GetViewService<V_LEGAL_FUND_CLASS_SUMMARY>();
foreach (KeyValuePair<int, IEnumerable<FUND_PERFORMANCE>> entry in allPerformance)
{
var fundClasses = service.GetAll().Where(x => x.FUND_ID == entry.Key).Select(x => new { x.LEGAL_FUND_CLASS_ID, x.LEGAL_FUND_CLASS}).ToList();
var fundTrackRecord = new FundPerformanceVM();
fundTrackRecord.FundClass = ??;
If I understood correctly the structure of your model, you can try this:
fundTrackRecord.FundClass = fundClasses.Select(fc => new FundClassVM
{
FundClassId = fc.LEGAL_FUND_CLASS_ID,
FundClass = fc.LEGAL_FUND_CLASS
}).ToList();
You can also do this directly, replacing the code:
var fundClasses = service.GetAll().Where(x => x.FUND_ID == entry.Key).Select(x => new { x.LEGAL_FUND_CLASS_ID, x.LEGAL_FUND_CLASS}).ToList();
var fundTrackRecord = new FundPerformanceVM();
With:
var fundTrackRecord = new FundPerformanceVM();
fundTrackRecord.FundClass = service.GetAll().
Where(x => x.FUND_ID == entry.Key).
Select(fc => new FundClassVM
{
FundClassId = fc.LEGAL_FUND_CLASS_ID,
FundClass = fc.LEGAL_FUND_CLASS
}).ToList();
Hi all I am trying to build a quiz application using angular JS, I am having two tables Questions and Answers and the code is as follows
public class Question
{
public int QuestionID { get; set; }
public string QuestionName { get; set; }
public List<Options> Options = new List<Options>();
}
public class Options
{
public int AnswerId { get; set; }
public int QuestionID { get; set; }
public string Answer { get; set; }
public bool isAnswer { get; set; }
}
public static class QuizDetails
{
public static string GetQuiz()
{
Dictionary<int, List<Question>> displayQuestion = new Dictionary<int, List<Question>>();
//List<Quiz> quiz = new List<Quiz>();
//Options op1 = new Options();
dbDataContext db = new dbDataContext();
var v = (from op in db.QUESTIONs
join pg in db.ANSWERs on op.QUESTION_ID equals pg.QUESTION_ID
select new { Id = op.QUESTION_ID, Name = op.QUESTION_NAME, pg.ANSWER_ID, pg.QUESTION_ID, pg.ANSWER_DESCRIPTION, pg.CORRECT_ANSWER }).ToList();
return JsonConvert.SerializeObject(v);
}
}
This is my reference code for building the application
http://www.codeproject.com/Articles/860024/Quiz-Application-in-AngularJs, how can I return the JSON format as per the code written in the JS files can some one help me
Right now GetQuiz returns a string that represents an object. Your client doesn't really know what the string contains, it just handles it as a normal string.
You can either return it in another way, for example:
return new HttpResponseMessage
{
Content = new StringContent(
JsonConvert.SerializeObject(v),
System.Text.Encoding.UTF8,
"application/json")
};
If you want to keep returning it as a string you will have to manually deserialize it in the client:
var object = angular.fromJson(returnedData);
So I have the json below that I want to Deseralize into Classes so I can work with it. But the issues is that the top two fields are a different type to all the rest
"items": {
"averageItemLevel": 718,
"averageItemLevelEquipped": 716,
"head": { ... },
"chest": { ... },
"feet": { ... },
"hands": { ... }
}
Where ... is a the Item class below, but the problem is that 2 of the fields are ints and the rest are Item, there are about 20 fields in total. So what I'd like to do is put them into a Dictionary<string, Item> but the 2 int fields are preventing me from Deseralizing it into that. I'm using JavaScriptSerializer.Deserialize<T>() to do this.
I could have each item as it's own class with the name of the item as the name of the class, but I find that to be very bad, repeating so much each time, also very hard to work with later since I cant iterate over the fields, where as I could a Dictionary. Any idea how I could overcome this?
public class Item
{
public ItemDetails itemDetails { get; set; }
public int id { get; set; }
public string name { get; set; }
public string icon { get; set; }
public int quality { get; set; }
public int itemLevel { get; set; }
public TooltipParams tooltipParams { get; set; }
public List<Stat> stats { get; set; }
public int armor { get; set; }
public string context { get; set; }
public List<int> bonusLists { get; set; }
}
Update: from the comments I came up with this solution
JObject jsonObject = JObject.Parse(json);
jsonObject["averageItemLevel"] = int.Parse(jsonObject["items"]["averageItemLevel"].ToString());
jsonObject["averageItemLevelEquipped"] = int.Parse(jsonObject["items"]["averageItemLevelEquipped"].ToString());
jsonObject["items"]["averageItemLevel"].Parent.Remove();
jsonObject["items"]["averageItemLevelEquipped"].Parent.Remove();
var finalJson = jsonObject.ToString(Newtonsoft.Json.Formatting.None);
var character = _serializer.Deserialize<Character>(finalJson);
character.progression.raids.RemoveAll(x => x.name != "My House");
return character
If I add these two classes to match your JSON I can serialize and deserialize the objects:
public class root
{
public Items items { get; set; }
}
public class Items
{
public int averageItemLevel { get; set; }
public int averageItemLevelEquipped { get; set; }
public Item head {get;set;}
public Item chest {get;set;}
public Item feet {get;set;}
public Item hands {get;set;}
}
Test rig with the WCF Serializer:
var obj = new root();
obj.items = new Items
{
averageItemLevel = 42,
feet = new Item { armor = 4242 },
chest = new Item { name = "super chest" }
};
var ser = new DataContractJsonSerializer(typeof(root));
using (var ms = new MemoryStream())
{
ser.WriteObject(ms, obj);
Console.WriteLine(Encoding.UTF8.GetString(ms.ToArray()));
Console.WriteLine("and deserialize");
ms.Position = 0;
var deserializeObject = (root) ser.ReadObject(ms);
Console.WriteLine(deserializeObject.items.feet.armor);
}
And with the JavaScriptSerializer:
var jsser = new JavaScriptSerializer();
var json = jsser.Serialize(obj);
Console.WriteLine(json);
Console.WriteLine("and deserialize");
var djson = jsser.Deserialize<root>(json);
Console.WriteLine(djson.items.feet.armor);
Both serializers give the same result for your given JSON.
I want to create multi level Json, Using http://json2csharp.com/. I created classes. But not sure how to use it.
public class MassPay
{
public string legal_name { get; set; }
public string account_number { get; set; }
public string routing_number { get; set; }
public string amount { get; set; }
public string trans_type { get; set; }
public string account_class { get; set; }
public string account_type { get; set; }
public string status_url { get; set; }
public string supp_id { get; set; }
public string user_info { get; set; }
}
public class MassPayList
{
public string oauth_consumer_key { get; set; }
public string bank_id { get; set; }
public string facilitator_fee { get; set; }
public IList<MassPay> mass_pays { get; set; }
}
These are my classes and this is Json Format i want to create...
there are extra elements...
{
"oauth_consumer_key":"some_oauth_token",
"mass_pays":[
{"legal_name":"SomePerson1",
"account_number":"888888888",
"routing_number":"222222222",
"amount":"10.33",
"trans_type":"0",
"account_class":"1",
"account_type":"2"
},
{"legal_name":"SomePerson2",
"account_number":"888888888",
"routing_number":"222222222",
"amount":"10.33",
"trans_type":"0",
"account_class":"1",
"account_type":"1"}
]
}
So far i have come up with below code..I am using JObject, and all others wer single level so it was pretty easy. but when it comes to two or three level its difficult.
public JObject AddMassPayRequest(MassPayList lMassPayList, MassPay lMassPay)
{
JObject pin = new JObject(
new JProperty("legal_name", lMassPay.legal_name),
new JProperty("account_number", lMassPay.account_number),
new JProperty("routing_number", lMassPay.routing_number),
new JProperty("amount", lMassPay.amount),
new JProperty("trans_type", lMassPay.trans_type),
new JProperty("account_class", lMassPay.account_class),
new JProperty("account_type", lMassPay.account_type),
new JProperty("status_url", lMassPay.status_url),
new JProperty("supp_id", lMassPay.supp_id),
new JProperty("status_url", lMassPay.status_url),
new JProperty("user_info", lMassPay.user_info)
);
return pin;
}
public JObject AddMassPayRequestList(MassPayList lMassPayList, MassPay lMassPay)
{
JObject pin = new JObject(
new JProperty("mass_pays", lMassPayList.mass_pays),
new JProperty("bank_id", lMassPayList.bank_id),
new JProperty("facilitator_fee", lMassPayList.facilitator_fee),
new JProperty("oauth_consumer_key", lMassPayList.oauth_consumer_key)
);
return pin;
}
Can some one help me how to do this..?
if you're using ASP.NET MVC you just need to use the Json response action using your existing classes.
You could simply do something like this in a controller:
return Json(new { PoId = newPoId, Success = true });
or an actual concrete model class:
var _AddMassPayRequestList = new AddMassPayRequestList();
...
returning a populated instance of your AddMassPayRequestList class:
return Json(_AddMassPayRequestList);
So finally I got this answer, Its simple structure. Using this u can create any type of Json... It doesnt have to follow same structure..
The logic behind this is add things you want at start, create class and inside that properties you want to add into json. SO while passign just add for loop and pass Object to the list.. It will loop through and create JSon for You..
If you have any doubts, let me know happy to help you
public String ToJSONRepresentation(List<MassPay> lMassPay)
{
StringBuilder sb = new StringBuilder();
JsonWriter jw = new JsonTextWriter(new StringWriter(sb));
jw.Formatting = Formatting.Indented;
jw.WriteStartObject();
jw.WritePropertyName("oauth_consumer_key");
jw.WriteValue("asdasdsadasdas");
jw.WritePropertyName("mass_pays");
jw.WriteStartArray();
int i;
i = 0;
for (i = 0; i < lMassPay.Count; i++)
{
jw.WriteStartObject();
jw.WritePropertyName("legal_name");
jw.WriteValue(lMassPay[i].legal_name);
jw.WritePropertyName("account_number");
jw.WriteValue(lMassPay[i].account_number);
jw.WritePropertyName("routing_number");
jw.WriteValue(lMassPay[i].routing_number);
jw.WritePropertyName("amount");
jw.WriteValue(lMassPay[i].amount);
jw.WritePropertyName("trans_type");
jw.WriteValue(lMassPay[i].trans_type);
jw.WritePropertyName("account_class");
jw.WriteValue(lMassPay[i].account_class);
jw.WritePropertyName("account_type");
jw.WriteValue(lMassPay[i].account_type);
jw.WritePropertyName("status_url");
jw.WriteValue(lMassPay[i].status_url);
jw.WritePropertyName("supp_id");
jw.WriteValue(lMassPay[i].supp_id);
jw.WriteEndObject();
}
jw.WriteEndArray();
jw.WriteEndObject();
return sb.ToString();
}