Blazor MultiSelect Dropdown Example - Option Grouping
This example demonstrates the grouping and grouping with checkbox supports of the MultiSelect. Clicking the checkbox in the group header will select all the items grouped under it. Click the MultiSelect element and then type the character in the search box. It will display the filtered list items based on the typed characters and then select the multiple values through the checkbox.
The MultiSelect allows to group the relevant items under a corresponding category by mapping the GroupBy field and allows to load the list items. It has built-in support to select multiple values through the checkbox when the Mode property is set to CheckBox and set EnableGroupCheckBox property is set to true.
See also