Blazor Dropdown List Example - Cascading Dropdowns

This example demonstrates the cascading functionalities of DropDownList for dependent dropdown chains.

Cascading features:

• Select country from countries DropDownList
• Respective states load in second DropDownList
• Series of DropDownList where value depends on another
• Use ValueChange event handler to load data

Implementation workflow:

• In 1st DropDownList ValueChange event, load 2nd DropDownList data
• Same configuration between 2nd and 3rd DropDownList
• Select country → load states → load cities