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Overview

The Blazor MultiSelect Dropdown is a dynamic replacement for the HTML select tag for selecting multiple values. The HTML MultiSelect Dropdown is a textbox component that allows the user to type or select multiple values from a list of predefined options. It has several out-of-the-box features such as data binding, filtering, grouping, tagging with custom values, and checkbox mode.


Render modes

Various render modes are available to visualize selected items in Blazor Multi Select Dropdown.

Blazor MultiSelect Dropdown with chip mode

Chip mode (box mode)

Selected items are displayed as chips in the multiselect input box.

Blazor MultiSelect Dropdown with delimiter mode

Delimiter mode

The selected items are displayed with delimiters in the multiselect input box.

Blazor MultiSelect Dropdown with default rendering mode.

Hybrid mode(default mode)

By default, the selected items are displayed as chips when the component is in focus. Otherwise, they are displayed with a delimiter.


Filtering and searching

The Blazor MultiSelect Dropdown has built-in filtering support with a rich set of filtering configurations available.

Blazor MultiSelect Dropdown with custom filtering Fuzzy search.

Custom filtering

Filter queries can be customized. You can also use your own filter libraries to filter data like the fuzzy search.

Blazor MultiSelect Dropdown filter with diacritic symbols.

The Blazor MultiSelect Dropdown component has built-in diacritic sensitivity support. This can be turned on or off.

Blazor MultiSelect Dropdown with case sensitivity.

Filter settings

The filter search can be customized with case sensitivity, and the number of characters needed to make the filter search can be set.


Blazor MultiSelect Dropdown with check boxes.

MultiSelect Dropdown check box

The MultiSelect Dropdown in Blazor has check box support. Enabling a check box on each item helps the user handle multiple selected values.


Selection limit

You can limit the number of items that can be selected in a drop-down.

Blazor MultiSelect Dropdown with value selection limit.


Chip customization

You can customize the selected chip (value) element’s appearance on value selection.


Tagging custom value

Tag new values that are not present in the predefined list.

Blazor MultiSelect Dropdown with tagging of custom values.


Blazor MultiSelect Dropdown with category grouping.

Grouping with category

Group the popup list items with the corresponding category which makes it easy to pick the item quickly from the dropdown.


Pop-up dimension

The width and height of a pop-up option list are customizable with this easily customized Blazor Multiselect dropdown.

Blazor MultiSelect Dropdown with pop-up dimension adjustment.


Blazor MultiSelect Dropdown with HTML form validation.

HTML form support

The Blazor MultiSelect Dropdown is a form component that seamlessly supports HTML forms and obtains values on form submission.


Sortable list items

You can display items in the ascending or descending order in a popup list.

Blazor MultiSelect Dropdown with item sorting.


Responsive MultiSelect Dropdown

A responsive mode gives an adaptive, redesigned UI appearance for mobile devices and recognizes touch gestures.

Developer-friendly APIs

Developers can customize all UI elements and control their behaviors using the control’s rich set of client-side APIs.


Built-in themes

The Blazor bootstrap MultiSelect component is shipped with several built-in themes such as Tailwind CSS, Bootstrap 5, Bootstrap 4, Bootstrap, Material, Fabric, and High Contrast. Customize any one of these built-in themes or create new themes by simply overriding SASS variables or using our Theme Studio application.

Accessibility

  • Fully supports WAI-ARIA accessibility that makes list view accessible to on-screen readers and assistive devices.

  • Follows WAI-ARIA best practices best practices for implementing keyboard interaction.

  • Blazor Multiselect dropdown follows follows WCAG 2.0standard in design for the UI element visuals such as foreground color, background color, line spacing, text, and images.

  • Supports right-to-left (RTL) direction for users working in with languages like Hebrew, Arabic, or Persian.


Other supported frameworks

MultiSelect Dropdown is also available in Angular, React, Vue and JavaScript frameworks that are built from their own TypeScript libraries. Check out the different MultiSelect Dropdown platforms from the links below,


Blazor MultiSelect DropDown Code Example

Easily get started with the Blazor MultiSelect DropDown using a few simple lines of C# code example as demonstrated below. Also explore our Blazor MultiSelect DropDown Example that shows you how to render and configure the BlazorMultiSelect DropDown.

@using Syncfusion.Blazor.DropDowns
    <h4> Default Mode</h4>
        <SfMultiSelect TValue="string[]" TItem="GameFields" Mode="@VisualMode.Default" Placeholder="Favorite Sports" DataSource="@Games">
            <MultiSelectFieldSettings Text="Text" Value="ID"></MultiSelectFieldSettings>
        </SfMultiSelect>
    <h4>Box Mode</h4>
        <SfMultiSelect TValue="string[]" TItem="GameFields" Mode="@VisualMode.Box" Placeholder="Favorite Sports" DataSource="@Games">
            <MultiSelectFieldSettings Text="Text" Value="ID"></MultiSelectFieldSettings>
        </SfMultiSelect>
    <h4>Delimiter Mode</h4>
        <SfMultiSelect TValue="string[]" TItem="GameFields" Mode="@VisualMode.Delimiter" Placeholder="Favorite Sports" DataSource="@Games">
            <MultiSelectFieldSettings Text="Text" Value="ID"></MultiSelectFieldSettings>
        </SfMultiSelect>       
@code{
    public class GameFields
    {
        public string ID { get; set; }
        public string Text { get; set; }
    }
    private List<GameFields> Games = new List<GameFields>()
{
        new GameFields(){ ID= "Game1", Text= "American Football" },
        new GameFields(){ ID= "Game2", Text= "Badminton" },
        new GameFields(){ ID= "Game3", Text= "Basketball" },
        new GameFields(){ ID= "Game4", Text= "Cricket" },
        new GameFields(){ ID= "Game5", Text= "Football" },
        new GameFields(){ ID= "Game6", Text= "Golf" },
        new GameFields(){ ID= "Game7", Text= "Hockey" },
        new GameFields(){ ID= "Game8", Text= "Rugby"},
        new GameFields(){ ID= "Game9", Text= "Snooker" },
        new GameFields(){ ID= "Game10", Text= "Tennis"}
    };
}



Blazor Components – 70+ UI and DataViz Components

Frequently Asked Questions

Syncfusion Blazor MultiSelect DropDown provides the following features:

  • A replacement of the HTML select element with multiple selection.
  • Simple configuration and API.
  • Built-in check box support with a Select All option for easy interactions.
  • One of the best Blazor MultiSelect DropDowns on the market that offers feature-rich UI to interact with the software.
  • Built-in support for filtering, hierarchical data binding, grouping, tagging, selection limits, and UI customization with templates.
  • Supports all modern browsers.
  • Mobile-touch friendly and responsive.
  • Extensive demos and documentation to learn quickly and get started with Blazor MultiSelect DropDown.

We do not sell the Blazor MultiSelect DropDown separately. It is only available for purchase as part of the Syncfusion Blazor suite, which contains over 70 native Blazor components, including the MultiSelect DropDown. A single developer license for the Syncfusion Blazor suite costs $995.00 USD, including one year of support and updates. On top of this, we might be able to offer additional discounts based on currently active promotions. Please contact our sales team today to see if you qualify for any additional discounts.

You can find our Blazor MultiSelect DropDown demo here.

No, our 70+ Blazor components, including MultiSelect DropDown, are not sold individually, only as a single package. However, we have competitively priced the product so it only costs a little bit more than what some other vendors charge for their MultiSelect DropDown alone. We have also found that, in our experience, our customers usually start off using one of our products and then expand to several products quickly, so we felt it was best to offer all 70+ Blazor components for a flat fee of $995/developer. On top of this, we might be able to offer additional discounts based on currently active promotions. Please contact our sales team today to see if you qualify for any additional discounts.

No, this is a commercial product and requires a paid license. However, a free community license is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue and five or fewer developers.

A good place to start would be our comprehensive getting started documentation.

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