Blazor Input pin

Create a numeric input field where the characters entered by the user are masked or hidden to provide privacy and security when entering pin.

Features:

JavaScript Independence: This component operates seamlessly without requiring JavaScript, offering a lightweight and straightforward solution.

Appearance customization: Customizable styles and themes.

Rendering options: Render your component as various HTML tags for maximum flexibility and integration.

Learn about core component featuresLearn about input component features

Simple input

Entered pin:
<BlazorLabel>
    Enter your pin
    <BlazorInputPin @bind-Value="MyPin" />
</BlazorLabel>
<div>Entered pin: @MyPin2</div>

@code {
    public string MyPin { get; set; } = "";
}

Simple input with initial value

Entered pin: 2024
Message:
<BlazorLabel>
    Enter your pin
    <BlazorInputPin @bind-Value="MyPin2" UpdateOnHtmlEvent="oninput" ValueParsed="OnValueParsed" />
</BlazorLabel>
<div>Entered pin: @MyPin2</div>
<div>Message: @Message</div>

@code {
    public string MyPin2 { get; set; } = "2023";

    public void OnValueParsed(ParseEventArgs parseEventArgs)
    {
        Message = parseEventArgs.ParseSuccess ? "" : $"The pin {parseEventArgs.UserInputValue} contains non-number character(s).";
    }
}

Disabled input

<BlazorLabel>
    Enter your pin
    <BlazorInputPin @bind-Value="..." @bind-disabled="Disabled" />
</BlazorLabel>
<BlazorButton type="button" @onclick="_ => Disabled = !Disabled" Variants="Disabled?new[] {BaseVariants.Success}:new[] {BaseVariants.Danger}">@(Disabled ? "Enable" : "Disable")</BlazorButton>

@code {
    public bool Disabled { get; set; } = true;
}

Appearance Customization

Learn about Theme Feature
Component & Variants CSS class
BlazorFormControl form-control
BlazorFormControl.invalid border-danger
BlazorFormControl.valid border-success

Parameters

BlazorInputPin

Name Type Description
RenderAs string Specifies the HTML tag to be used for rendering the component. This can be any valid HTML tag, such as div, span, button, or other suitable tags.
Variants string[] Specifies the variant of the component.
Value string The value of the input.
UpdateOnHtmlEvent string This parameter allows you to specify which HTML event should trigger a re-render or update of the component. When the specified event occurs on the input element, the component will initiate the parsing process, updating its internal value to reflect the UI input. Default event is onchange.
ValueParsed EventCallback<ParseEventArgs> Specify an action or method to be executed when the component parses a value, whether the parsing operation succeeds or fails.
FieldState FieldState Represents the state of a field or input element within the component. Can be used to track and manage the state of the field and display relevant messages to the user.
ParseValueHandler Func<string?, TValue?> Implement specialized parsing logic for the component, such as handling user input, converting strings to specific data types, which corresponds to the type of the Value parameter in the component and performing validation during the parsing process.
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