CREATE TABLE EmployeeJsonAttributes (
  Id int NOT NULL AUTO_INCREMENT,
  EmployeeId int NOT NULL,
  Attributes json DEFAULT NULL,
  PRIMARY KEY (Id),
  FOREIGN KEY (EmployeeId) REFERENCES EmployeeEav (Id) ON DELETE CASCADE
)

INSERT INTO EmployeeJsonAttributes VALUES (
101, 
  '{
  "name": "Jon",
    "lastName": "Doe",
    "dateOfBirth": "1989-01-01 10:10:10+05:30",
    "skills": [ "C#", "JS" ],
    "address":  {
  "country": "UK",
      "city": "London",
      "email": "jon.doe@example.com"
    }
  }'
)

INSERT INTO efcoresample.EmployeeJsonAttributes VALUES (
101, 
  JSON_OBJECT(
"name", "Jon", 
"lastName", "Doe",
"dateOfBirth", "1989-01-01 10:10:10+05:30",
"skills", JSON_ARRAY("C#", "JS"),
    "address", JSON_OBJECT(
  "country", "UK",
      "city", "London",
  "email", "jon.doe@example.com"
    )
  )
)

SELECT JSON_EXTRACT(Attributes, '$.address.country') as Country 
FROM EmployeeJsonAttributes
WHERE EmployeeId = 101;

-- Conutry
-- "UK"

SELECT Attributes -> '$.address.country' as Country 
FROM EmployeeJsonAttributes
WHERE EmployeeId = 101;

-- Conutry
-- "UK"

SELECT EmployeeId, Attributes ->> '$.DateOfBirth' AS BirthDate FROM EmployeeJsonAttributes
WHERE Attributes ->> '$.DateOfBirth' > DATE_SUB(CURRENT_DATE(), INTERVAL 25 YEAR)

// Fluent API
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
    modelBuilder.Entity<Employee>(entity =>
    {
        entity.Property(e => e.Attributes).HasColumnType("json");
    });
}

// Data Annotations
[Column(TypeName = "json")]
public string Attributes { get; set; }

public class EmployeeJsonAttribute
{
    public int Id { get; set; }
    public virtual EmployeeEav Employee { get; set; }
    public int EmployeeId { get; set; }
    [Column(TypeName = "json")]
    public string Attributes { get; set; }
}

dbContext.EmployeeJsonAttributes.Add(new EmployeeJsonAttribute
{
    EmployeeId =  101,
    Attributes = JsonSerializer.Serialize(new
    {
        FirstName = "Sirwan",
        LastName = "Afifi",
        DateOfBirth = DateTime.Now.AddYears(-31)
    })
});

dbContext.SaveChanges();

var employee = dbContext.EmployeeJsonAttributes.Find(201);
Console.WriteLine(JsonSerializer.Deserialize<Employee>(employee.Attributes).DateOfBirth);

<system.web.extensions>
  <scripting>
    <webServices>
      <authenticationService enabled="true" />
    </webServices>
  </scripting>
</system.web.extensions>

$.ajax({
                    type: "POST",
                    url: "/websrv.asmx/MyMethod",
                    data: "{}",
                    contentType: "application/json; charset=utf-8",
                    dataType: "json",
                    async: true,
                    cache: true,
                    success: function (data) {                   
                        $("#plandata").html(data.d);
                    },
                    error: function (x, e) {
                        alert("The call to the server side failed. " + x.responseText);
                    }
                });

<Button
    x:Name="DeleteButton"
    BackgroundColor="Orange"
    Text="Delete">
    <Button.Triggers>
        <EventTrigger Event="Clicked">
            <bitView:SetPropertyAction Property="BackgroundColor" Value="Red" />
            <xamAnimation:BeginAnimation>
                <xamAnimation:BeginAnimation.Animation>
                    <xamAnimation:ColorAnimation
                        Target="{x:Reference DeleteButton}"
                        ToColor="Orange"
                        Duration="1000" />
                </xamAnimation:BeginAnimation.Animation>
            </xamAnimation:BeginAnimation>
        </EventTrigger>
    </Button.Triggers>
</Button>

<lottie:AnimationView
    Animation="{OnPlatform UWP='Assets/Animations/LottieLogo1.json',
                                   Android='Animations/LottieLogo1.json',
                                   iOS='Animations/LottieLogo1.json'}" 
    AutoPlay="True"
    HeightRequest="500"
    HorizontalOptions="Center"
    Loop="True"
    VerticalOptions="Center"
    WidthRequest="500" />

string json = JsonConvert.SerializeObject(serializer.Serialize(predicate3));
predicate3 = JsonConvert.DeserializeObject<Expression<Func<Entity, bool>>>(json);