TextAreaField

A multi-line text input field for collecting longer content such as descriptions, comments, or notes. The visible height is controlled by the Rows parameter.

Basic Usage

<ArcadiaForm Model="model">
    <TextAreaField Field="@nameof(Model.Description)" Label="Description" />
</ArcadiaForm>

Larger Text Area

<TextAreaField Field="@nameof(Model.Notes)" Label="Notes" Rows="8" Placeholder="Enter your notes here..." />

Parameters

Parameter	Type	Default	Description
`Value`	`string?`	`null`	The current multi-line text content. Supports two-way binding.
`ValueChanged`	`EventCallback<string?>`		Callback invoked whenever the user modifies the textarea content.
`Rows`	`int`	`4`	The visible number of text rows in the textarea.

Inherited from FieldBase

Parameter	Type	Default	Description
`Label`	`string?`	`null`	Visible label displayed above the field.
`Placeholder`	`string?`	`null`	Placeholder text shown when the field is empty.
`HelperText`	`string?`	`null`	Helper text displayed below the field.
`Required`	`bool`	`false`	Whether the field is required.
`Disabled`	`bool`	`false`	Whether the field is disabled.
`ReadOnly`	`bool`	`false`	Whether the field is read-only.
`Errors`	`IReadOnlyList<string>?`	`null`	Validation errors to display.
`Schema`	`FieldSchema?`	`null`	Field schema definition for dynamic form generation.

Validation

public class FeedbackModel
{
    [Required]
    [StringLength(2000, ErrorMessage = "Description cannot exceed 2000 characters.")]
    public string Description { get; set; } = "";
}

Accessibility

Label is linked to the textarea via for/id attributes.
Required fields set aria-required="true" and display a visual * indicator.
Validation errors are linked via aria-describedby and announced with role="alert".