> ## Documentation Index
> Fetch the complete documentation index at: https://easyaf.nimbleapps.cloud/llms.txt
> Use this file to discover all available pages before exploring further.

# ColumnAttribute

> Specifies the column name and optional type for a property.             If not specified, the property name is used as the column name.

## Definition

**Assembly:** CloudNimble.BlazorEssentials.TursoDb.dll

**Namespace:** CloudNimble.BlazorEssentials.TursoDb

**Inheritance:** System.Attribute

## Syntax

```csharp theme={"dark"}
CloudNimble.BlazorEssentials.TursoDb.ColumnAttribute
```

## Summary

Specifies the column name and optional type for a property.
If not specified, the property name is used as the column name.

## Constructors

###  .ctor

Initializes a new instance of the [ColumnAttribute](https://easyaf.nimbleapps.cloud/blazoressentials/api-reference/CloudNimble/BlazorEssentials/TursoDb/ColumnAttribute.md) class.

#### Syntax

```csharp theme={"dark"}
public ColumnAttribute(string name)
```

#### Parameters

| Name | Type | Description |
| - | - | - |
| `name` | `string` | The column name in the database. |

#### Exceptions

| Exception | Description |
| - | - |
| `ArgumentException` | Thrown when name is null or whitespace. |

## Properties

###  DefaultValue

Gets or sets the default value for the column.

#### Syntax

```csharp theme={"dark"}
public string DefaultValue { get; set; }
```

#### Property Value

Type: `string?`

###  Name

Gets the column name in the database.

#### Syntax

```csharp theme={"dark"}
public string Name { get; }
```

#### Property Value

Type: `string`

###  Nullable

Gets or sets whether the column allows NULL values.
If not specified, nullability is inferred from the property type.

#### Syntax

```csharp theme={"dark"}
public System.Nullable<bool> Nullable { get; set; }
```

#### Property Value

Type: `System.Nullable<bool>?`

### &#x20;Type

Gets or sets the SQLite column type (e.g., "TEXT", "INTEGER", "REAL", "BLOB").
If not specified, the type is inferred from the property type.

#### Syntax

```csharp theme={"dark"}
public string Type { get; set; }
```

#### Property Value

Type: `string?`


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