DropDown
Demonstration and configuration of the Radzen Blazor DropDown component.
These demos showcase a dropdown select component with two-way data binding, customizable text/value properties, item templates, disabled item states, clearable selections, editable mode for custom input, and open/close event handling.
Get and Set the value of DropDown link
As all Radzen Blazor input components the DropDown has a Value property which gets and sets the value of the component. Use @bind-Value to get the user input.
Get and Set the value of DropDown using Value and Change event link
Value property can be used to set the value of the component and Change event to get the user input.
Define Text and Value properties link
Use the TextProperty and ValueProperty properties to specify which fields to display and use as values.
DropDown with template link
Use the Template property to customize how items are displayed in the dropdown list.
Disable specific item link
Use the IsDisabled parameter of RadzenDropDownItem to disable specific items in the dropdown.
Clear selected item link
Use the AllowClear property to enable a clear button that allows users to deselect the current selection.
Editable DropDown link
Use the AllowFiltering property to enable editable mode, allowing users to type and filter dropdown items.
Open and close events link
Handle the Open and Close events to respond when the dropdown popup is opened or closed.
Keyboard Navigation link
The following keys or key combinations provide a way for users to navigate and interact with Radzen Blazor DropDown component.
| Press this key | To do this |
|---|---|
| Tab | Navigate to a DropDown. |
| Alt + DownArrow | Open DropDown popup. |
| DownArrow on closed popup | Select next DropDown item. |
| UpArrow on closed popup | Select previous DropDown item. |
| DownArrow in an opened popup | Focus next DropDown item. |
| UpArrow in an opened popup | Focus previous DropDown item. |
| Enter in an opened popup | Select the focused DropDown item and close the popup. |
| Esc or Alt + DownArrow in an opened popup | Close the DropDown popup. |
| Alphanumeric | Focus next DropDown item starting with typed key. |
Radzen Blazor Components, © 2018-2025 Radzen.
Source Code licensed under
MIT