Utf8JsonWriter.WriteNull Method

Definition

Namespace:

System.Text.Json

Assembly:

System.Text.Json.dll

Overloads

WriteNull(ReadOnlySpan<Byte>)	Writes a property name specified as a read-only span of bytes and the JSON literal null as part of a name/value pair of a JSON object.
WriteNull(ReadOnlySpan<Char>)	Writes a property name specified as a read-only character span and the JSON literal null as part of a name/value pair of a JSON object.
WriteNull(String)	Writes a property name specified as a string and the JSON literal null as part of a name/value pair of a JSON object.
WriteNull(JsonEncodedText)	Writes the pre-encoded property name and the JSON literal null as part of a name/value pair of a JSON object.

WriteNull(ReadOnlySpan<Byte>)

Source:

Utf8JsonWriter.WriteProperties.Literal.cs

Writes a property name specified as a read-only span of bytes and the JSON literal null as part of a name/value pair of a JSON object.

public:
 void WriteNull(ReadOnlySpan<System::Byte> utf8PropertyName);

public void WriteNull (ReadOnlySpan<byte> utf8PropertyName);

member this.WriteNull : ReadOnlySpan<byte> -> unit

Public Sub WriteNull (utf8PropertyName As ReadOnlySpan(Of Byte))

Parameters

utf8PropertyName

ReadOnlySpan<Byte>

The UTF-8 encoded property name of the JSON object to be written.

Exceptions

ArgumentException

The specified property name is too large.

InvalidOperationException

Validation is enabled, and the write operation would produce invalid JSON.

Remarks

The property name is escaped before writing.

WriteNull(ReadOnlySpan<Char>)

Source:

Utf8JsonWriter.WriteProperties.Literal.cs

Writes a property name specified as a read-only character span and the JSON literal null as part of a name/value pair of a JSON object.

public:
 void WriteNull(ReadOnlySpan<char> propertyName);

public void WriteNull (ReadOnlySpan<char> propertyName);

member this.WriteNull : ReadOnlySpan<char> -> unit

Public Sub WriteNull (propertyName As ReadOnlySpan(Of Char))

Parameters

propertyName

ReadOnlySpan<Char>

The UTF-16 encoded property name of the JSON object to be transcoded and written as UTF-8.

Exceptions

ArgumentException

The specified property name is too large.

InvalidOperationException

Validation is enabled, and the write operation would produce invalid JSON.

Remarks

The property name is escaped before writing.

WriteNull(String)

Source:

Utf8JsonWriter.WriteProperties.Literal.cs

Writes a property name specified as a string and the JSON literal null as part of a name/value pair of a JSON object.

public:
 void WriteNull(System::String ^ propertyName);

public void WriteNull (string propertyName);

member this.WriteNull : string -> unit

Public Sub WriteNull (propertyName As String)

Parameters

propertyName

String

The UTF-16 encoded property name of the JSON object to be transcoded and written as UTF-8.

Exceptions

ArgumentException

The specified property name is too large.

InvalidOperationException

Validation is enabled, and the write operation would produce invalid JSON.

ArgumentNullException

The propertyName parameter is null.

Remarks

The property name is escaped before writing.

WriteNull(JsonEncodedText)

Source:

Utf8JsonWriter.WriteProperties.Literal.cs

Writes the pre-encoded property name and the JSON literal null as part of a name/value pair of a JSON object.

public:
 void WriteNull(System::Text::Json::JsonEncodedText propertyName);

public void WriteNull (System.Text.Json.JsonEncodedText propertyName);

member this.WriteNull : System.Text.Json.JsonEncodedText -> unit

Public Sub WriteNull (propertyName As JsonEncodedText)

Parameters

propertyName

JsonEncodedText

The JSON encoded property name of the JSON object to be transcoded and written as UTF-8.

Exceptions

InvalidOperationException

Validation is enabled, and this method would result in writing invalid JSON.

Remarks

The property name should already be escaped when the instance of JsonEncodedText was created.