# HeaderSize Property

## Overloads

| [HeaderSize](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IFileDataFormat.HeaderSize.htm#Qlik_Engine_IFileDataFormat_HeaderSize) |  | Size of the header.<br><br>Example: If the header size is 2, the first two rows in the file are considered as header and not as data. The header can contain the field names.<br><br>JSON property name: qHeaderSize |
| --- | --- | --- |

[](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IFileDataFormat.HeaderSize.htm) [](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IFileDataFormat.HeaderSize.htm)

## HeaderSize

Size of the header.

Example: If the header size is 2, the first two rows in the file are considered as header and not as data. The header can contain the field names.

JSON property name: qHeaderSize

### Declaration

```

          int HeaderSize { get; set; }
    
  
```

### Property Value

| Type | Description |
| --- | --- |
| System.Int32 |  |