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Getting started with Blazor TextBox component

28 Jul 2021 / 3 minutes to read

This section briefly explains about how to include a Blazor TextBox Component in your Blazor Server-Side and Client-Side application. You can refer to our Getting Started with Blazor Server-Side TextBox and Blazor WebAssembly TextBox documentation pages for configuration specifications.

To get start quickly with Blazor TextBox component, you can check on this video.

Importing Syncfusion Blazor component in the application

  • Install Syncfusion.Blazor.Inputs NuGet package to the application by using the NuGet Package Manager.

Please ensure to check the Include prerelease option for our Beta release.

  • You can add the client-side resources through CDN or from NuGet package in the HEAD element of the ~/wwwroot/index.html page.
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<head>
       <link href="_content/Syncfusion.Blazor.Themes/bootstrap4.css" rel="stylesheet" />
       <!-- <link href="https://cdn.syncfusion.com/blazor/{{version}}/styles/{{theme}}.css" rel="stylesheet" /> -->
</head>

For Internet Explorer 11 kindly refer the polyfills. Refer the documentation for more information.

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<head>
   <link href="_content/Syncfusion.Blazor.Themes/bootstrap4.css" rel="stylesheet" />
   <script src="https://github.com/Daddoon/Blazor.Polyfill/releases/download/3.0.1/blazor.polyfill.min.js"></script>
</head>

Adding component package to the application

Open ~/_Imports.razor file and import the Syncfusion.Blazor.Inputs packages.

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@using Syncfusion.Blazor.Inputs

Add SyncfusionBlazor service in Program.cs

Open the Program.cs file and add services required by Syncfusion components using builder.Services.AddSyncfusionBlazor() method.

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using Syncfusion.Blazor;

namespace BlazorApplication
{
public class Program
{
public static async Task Main(string[] args)
{
    ....
    ....
    builder.Services.AddSyncfusionBlazor();
    await builder.Build().RunAsync();
}
}
}

To enable custom client side resource loading from CRG or CDN. You need to disable resource loading by AddSyncfusionBlazor(true) and load the scripts in the HEAD element of the ~/wwwroot/index.html page.

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<head>
       <script src="https://cdn.syncfusion.com/blazor/19.2.49/syncfusion-blazor.min.js"></script>
</head>

Adding TextBox component to the application

To initialize the TextBox component add the below code to your Index.razor view page which is present under ~/Pages folder.

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<SfTextBox Placeholder='First Name'></SfTextBox>

Run the application

After successful compilation of your application, press F5 to run the application.

The output will be as follows.

TextBox Sample

Adding icons to the TextBox

You can create a TextBox with icon as a group by creating the parent div element with the class e-input-group and add the icon element as span with the class e-input-group-icon.

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<div class='e-input-group'>
<input class='e-input' Placeholder='Date of Birth' type='text'>
<span class='e-input-group-icon e-input-calendar'></span>
</div>

<style>
.e-input-group-icon:before {
  font-family: e-icons;
}

.e-input-group .e-input-group-icon.e-input-calendar {
  font-size: 16px;
}

.e-input-group-icon.e-input-calendar:before {
  content: "";
}
</style>

The output will be as follows.

TextBox with icon

Floating label

The floating label TextBox floats the label above the TextBox after focusing, or filled with value in the TextBox. You can create the floating label TextBox by using the FloatLabelType API.

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<SfTextBox Placeholder='First Name' FloatLabelType='@FloatLabelType.Auto'></SfTextBox>

The output will be as follows.

TextBox with icon

See Also