ant-design-blazor/components/input/TextArea.razor

@namespace AntDesign
@inherits Input<string>

@{
    Dictionary<string, object> attributes =
        new Dictionary<string, object>()
        {
            //{ "onchange", EventUtil.AsNonRenderingEventHandler<ChangeEventArgs>(e => OnChangeAsync(e)) },
            //{ "onblur", EventUtil.AsNonRenderingEventHandler<FocusEventArgs>(e => OnBlurAsync(e)) },
            //{ "oninput", EventUtil.AsNonRenderingEventHandler<ChangeEventArgs>(e => OnInputAsync(e)) },
            //{ "onkeypress", EventUtil.AsNonRenderingEventHandler<KeyboardEventArgs>(e => OnKeyPressAsync(e)) },
            //{ "onkeyup", EventUtil.AsNonRenderingEventHandler<KeyboardEventArgs>(e => OnKeyUpAsync(e)) },
            //{ "onkeydown", EventUtil.AsNonRenderingEventHandler<KeyboardEventArgs>(e => OnkeyDownAsync(e)) },
            //{ "onfocus", EventUtil.AsNonRenderingEventHandler<FocusEventArgs>(e => OnFocusAsync(e)) },
            { "onchange", CallbackFactory.Create(this, OnChangeAsync) },
            { "onblur", CallbackFactory.Create(this, OnBlurAsync) },
            { "oninput", CallbackFactory.Create(this, OnInputAsync) },
            { "onkeypress", CallbackFactory.Create(this, OnKeyPressAsync) },
            { "onkeyup", CallbackFactory.Create(this, OnKeyUpAsync) },
            { "onkeydown", CallbackFactory.Create(this, OnkeyDownAsync) },
            { "onfocus", CallbackFactory.Create(this, OnFocusAsync) },
            { "value", CurrentValueAsString },
            { "placeholder", Placeholder },
            { "id", Id },
            //{ "style", Style },
            { "class", ClassMapper.Class },
            { "disabled", Disabled },
            { "readonly", ReadOnly },
         };

    if (AutoSize == false)
    {
        attributes.Add("style", _heightStyle + Style);
    }

    if (Attributes != null)
    {
        Attributes.Keys.ForEach(key => { attributes[key] = Attributes[key]; });
    }
}

@if (ShowCount)
{
	<div class="ant-input=textarea ant-input-textarea-show-count" data-count="@(Value?.Length ?? 0)">
		@if (Suffix != null)
		{
			<span class="@_warpperClassMapper.Class">
				<textarea @ref="Ref" @attributes="attributes" @onchange:stopPropagation="@StopPropagation" @onblur:stopPropagation="@StopPropagation"/>
				@Suffix
			</span>
		}
		else
		{
			<textarea @ref="Ref" @attributes="attributes" @onchange:stopPropagation="@StopPropagation" @onblur:stopPropagation="@StopPropagation"/>
		}
		<AntDesign.Text Style="float: right; pointer-events: none; white-space: nowrap; color: rgba(0, 0, 0, 0.45)">&nbsp;@($"/ {MaxLength}")</AntDesign.Text>
	</div>
}
else
{
	@if (Suffix != null)
	{
		<span class="@_warpperClassMapper.Class">
			<textarea @ref="Ref" @attributes="attributes" @onchange:stopPropagation="@StopPropagation" @onblur:stopPropagation="@StopPropagation"/>
			@Suffix				
		</span>
	}
	else
	{
		<textarea @ref="Ref" @attributes="attributes" @onchange:stopPropagation="@StopPropagation" @onblur:stopPropagation="@StopPropagation"/>	
	}
}