# AlwaysOneSelected Property

## Overloads

| [AlwaysOneSelected](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IFieldDescription.AlwaysOneSelected.htm#Qlik_Engine_IFieldDescription_AlwaysOneSelected) |  | If set to true, it means that the field has one and only one selection (not 0 and not more than 1).<br><br>If this property is set to true, the field cannot be cleared anymore and no more selections can be performed in that field.<br><br>The default value is false.<br><br>JSON property name: qAlwaysOneSelected |
| --- | --- | --- |

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

## AlwaysOneSelected

If set to true, it means that the field has one and only one selection (not 0 and not more than 1).

If this property is set to true, the field cannot be cleared anymore and no more selections can be performed in that field.

The default value is false.

JSON property name: qAlwaysOneSelected

### Declaration

```

          bool AlwaysOneSelected { get; set; }
    
  
```

### Property Value

| Type | Description |
| --- | --- |
| System.Boolean |  |