# DateOnlyCodec Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.dateonlycodec/)

## ReadValue(Reader<TInput>, Field) {#readvalue-1-ref-orleans-serialization-buffers-reader-tinput-orleans-serializatio-0a502bff}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.dateonlycodec/methods/readvalue-1-ref-orleans-serialization-buffers-reader-tinput-orleans-serializatio-0a502bff/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Codecs/DateOnlyCodec.cs#L46-L48)

```csharp
public static DateOnly ReadValue<TInput>(ref Reader<TInput> reader, Field field)
```

Reads a `System.DateOnly` value.

### Parameters

- `reader` (`Reader<TInput>`): The reader.
- `field` (`Field`): The field.

### Returns

The `System.DateOnly` value.

## WriteField(Writer&lt;TBufferWriter&gt;, uint, DateOnly) {#writefield-1-ref-orleans-serialization-buffers-writer-tbufferwriter-uint-system-a08ac751}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.dateonlycodec/methods/writefield-1-ref-orleans-serialization-buffers-writer-tbufferwriter-uint-system-a08ac751/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Codecs/DateOnlyCodec.cs#L29-L32)

```csharp
public static void WriteField<TBufferWriter>(ref Writer<TBufferWriter> writer, uint fieldIdDelta, DateOnly value)
```

Writes a field without type info (expected type is statically known).

### Parameters

- `writer` (`Writer<TBufferWriter>`)
- `fieldIdDelta` (`uint`)
- `value` (`DateOnly`)