How to Parse Nested JSON Data into C# Objects using Json.NET?
Jan 24, 2025 pm 03:02 PM
json.net is a popular library to process JSON data in the .NET environment. It provides a convenient way to analyze the JSON string and serialize it into a C#object.
Analysis of JSON
To analyze JSON as an object, you can use the method, where T is the type of object you want to create. For the JSON provided, you can create the following categories:
JsonConvert.DeserializeObject<T> After creating these classes, you can analyze JSON as FOO object:
public class DisplayFieldName
{
public string OBJECT_NAME { get; set; }
}
public class NameTypePair
{
public string Name { get; set; }
public string Type { get; set; }
}
public class FieldAliases
{
public NameTypePair OBJECT_NAME { get; set; }
public NameTypePair OBJECT_TYPE { get; set; }
}
public class PositionType
{
public string Type { get; set; }
}
public class Reference
{
public int Id { get; set; }
}
public class Attributes
{
public string OBJECT_NAME { get; set; }
public string OBJECT_TYPE { get; set; }
}
public class Position
{
public int X { get; set; }
public int Y { get; set; }
}
public class ObjectItem
{
public Attributes Attributes { get; set; }
public Position Position { get; set; }
}
public class Foo
{
public DisplayFieldName DisplayFieldName { get; set; }
public FieldAliases FieldAliases { get; set; }
public PositionType PositionType { get; set; }
public Reference Reference { get; set; }
public List<ObjectItem> Objects { get; set; }
}
<訪> Access the nested attribute
string json = @"{
""displayFieldName"" : ""OBJECT_NAME"",
""fieldAliases"" : {
""OBJECT_NAME"" : ""OBJECT_NAME"",
""OBJECT_TYPE"" : ""OBJECT_TYPE""
},
""positionType"" : ""point"",
""reference"" : {
""id"" : 1111
},
""objects"" : [
{
""attributes"" : {
""OBJECT_NAME"" : ""test name"",
""OBJECT_TYPE"" : ""test type""
},
""position"" : {
""x"" : 5,
""y"" : 7
}
}
]
}";
Foo foo = JsonConvert.DeserializeObject<Foo>(json);
To access the data in the FOO object, you can use attributes and indexes. For example, to obtain the "test name" value from the Objects array, you can use:
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