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parsing json with using json.net linq


parsing json with using json.net linq

By : Ben Shroyer
Date : November 22 2020, 11:17 AM
I wish this help you You are using JObject while you should use JArray:
Remove this line:
code :
_JsonString = _JsonString.Trim().Trim('[', ']'); /*removed*/
JObject _JObject = JObject.Parse(_JsonString);
JArray _JObject = JArray.Parse(_JsonString);
JArray _JObject = JArray.Parse(_JsonString);

var _JItems = _JObject.SelectToken(".")
             .Select(s => new
             {
                 _Id = (string)s.SelectToken("Coo.id"),
                 _WhereClause = (string)s.SelectToken("Status")
             })
             .Where(w => w._WhereClause == "1");

foreach (var _JItem in _JItems)
{
    MessageBox.Show(_JItem._Id.ToString());
}


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Parsing a large (30MB) JSON file with net.liftweb.json or scala.util.parsing.json gives OutOfMemoryException. Any recomm

Parsing a large (30MB) JSON file with net.liftweb.json or scala.util.parsing.json gives OutOfMemoryException. Any recomm


By : Kasia Baczkowska
Date : March 29 2020, 07:55 AM
With these it helps Those messages indicate that the application is spending more than 98% of its time collecting garbage.
I'd suspect that Scala is generating a lot of short-lived objects, which is what is causing the excessive GCs. You can verify the GC performance by adding the -verbosegc command line switch to java.
code :
$JAVA_OPTS=-server -Xmx1024m -Xms1024m -Xmn2m -verbosegc -XX:+PrintGCDetails
parsing a JSON response using JSON.NET and arrays & LINQ

parsing a JSON response using JSON.NET and arrays & LINQ


By : Eric
Date : March 29 2020, 07:55 AM
I wish this helpful for you I'm wanting to return the address information from my linq response. I'm close but just can't get the last bit. I'm needing all the address information from each entry. , You can use a entity to deserialize your json :
code :
[DataContract]
public class Center
{
    [DataMember(Name = "center_name")]
    public string Name { get; set; }
    [DataMember(Name = "special_notes")]
    public string SpecialNotes { get; set; }
    [DataMember(Name = "address")]
    public Address Address { get; set; }

    public Center() { this.Address = new Address();}
}

[DataContract]
public class Address
{
    [DataMember(Name = "street_name")]
    public string StreetName { get; set; }
    [DataMember(Name = "suburb")]
    public string Suburb { get; set; }
    [DataMember(Name = "state")]
    public string State { get; set; }
    [DataMember(Name = "postcode")]
    public string Postcode { get; set; }
    [DataMember(Name = "phone")]
    public string Phone { get; set; }
}
List<Center> centers = JsonConvert.DeserializeObject<List<Center>>(obj["early_child_centres"].ToString());
from c in center
select c.Address
Parsing JSON using LINQ

Parsing JSON using LINQ


By : Joey Castagna
Date : March 29 2020, 07:55 AM
like below fixes the issue Hello I am facing a very simple problem but it is not getting Solved. Here is my class design , if e.Result is string with your JSON try this
code :
var jss = new JavaScriptSerializer();
var o = jss.Deserialize<RootObject>(e.Result);
var customers = JsonConvert.DeserializeObject<RootObject>(e.Result);
Listing ls = new Listing
{
    ChannelName = customers.listings.First().ChannelName,
    NowShowing=customers.listings.First().NowShowing,
    Programs=customers.listings.First().Programs
};
var customers = JsonConvert.DeserializeObject<RootObject>(e.Result);
Listing ls = new Listing
{
    ChannelName = customers.listings.First().ChannelName,
    NowShowing=customers.listings.First().NowShowing,
    Programs=customers.listings.First().Programs.Select(p=>new Program{
                                        ProgramName=p.ProgramName,
                                        ProgramTime=p.ProgramTime, 
                                        ProgramDetails = p.ProgramDetails
                                       }).ToList()
};
var customers = JsonConvert.DeserializeObject<RootObject>(e.Result);
Listing ls = new Listing
{
    ChannelName = customers.listings.First().ChannelName,
    NowShowing=customers.listings.First().NowShowing,
    Programs=Enumerable.Range(1,10).Select(p=>new Program{
                                        ProgramName="generated name",
                                        ProgramTime="generated time", 
                                        ProgramDetails = "generated details"
                                       }).ToList()
};
parsing json error : SyntaxError: JSON.parse: unexpected character at line 1 column 2 of the JSON data

parsing json error : SyntaxError: JSON.parse: unexpected character at line 1 column 2 of the JSON data


By : user2986918
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , jQuery's $.ajax() function will yield a JavaScript object if the response is JSON so I believe the error you're seeing is a result of trying to parse a JavaScript object and not a string as you're expecting. In the callback you're providing to the done function, inspect data and you'll find that it's an object and there is no need to JSON.parse the result.
Json parsing with Linq

Json parsing with Linq


By : Mark Bulleit
Date : March 29 2020, 07:55 AM
I wish this help you You haven't shown what ContentJsonNew looks like, but based on your example Linq query I will assume a basic structure like so:
code :
public class ContentJsonNew
{
    public List<Section> Sections { get; set; }
}

public class Section
{
    public List<Content> Content { get; set; }
}

public class Content
{
    public List<Content2> ContentToSearch { get; set; }
}

public class Content2 {
public string Type { get; set; }
//other properties
}
var content2Matches = json.Sections
                .SelectMany(x => x.Content)
                .SelectMany(x => x.ContentToSearch)
                .Where(x => x.Type.ToLower() == "image" || x.Type.ToLower() == "button");
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