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JsonSerializerOptions.AllowDuplicateProperties Property

Definition

Namespace:
System.Text.Json
Assembly:
System.Text.Json.dll
Package:
System.Text.Json v11.0.0-preview.5.26302.115
Source:
JsonSerializerOptions.cs
Source:
JsonSerializerOptions.cs
Source:
JsonSerializerOptions.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Gets or sets a value that indicates whether duplicate property names are allowed when deserializing JSON objects.

public:
 property bool AllowDuplicateProperties { bool get(); void set(bool value); };
public bool AllowDuplicateProperties { get; set; }
member this.AllowDuplicateProperties : bool with get, set
Public Property AllowDuplicateProperties As Boolean

Property Value

true if duplicate property names are allowed when deserializing JSON objects. The default is true.

Exceptions

This property is set after serialization or deserialization has occurred.

Remarks

If set to false, JsonException is thrown when a duplicate property name is encountered during deserialization.

Duplicate property names are not allowed in serialization.

Applies to


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