Here I will explain how to implement cascading dropdownlist for country/state/city in asp.net using C#.
In previous articles I explained Visual Studio Keyboard Shortcut keys, ContactUs Page Example, Forgot password Example, Joins in SQL Server, Highlight Gridview records based on search and many articles relating to Dropdownlist, Gridview, SQL ,jQuery,asp.net, C#,VB.NET etc. Now I will explain how to implement cascading dropdownlist for country/ state/ city in asp.net using C#.
In many situations we will get requirement like need to implement Country, State, City Dropdowns and load state dropdown based on Country and load City dropdown based on State. To implement this concept check below post in that post I explained clearly how to load state dropdown based on country selection and city dropdown based on state selection
Populate one dropdown based on other dropdown (Like populate State Dropdown based on Country Selection and City Dropdown based on State Selection)
If you want to implement same Country / State / City dropdownlist in Ajax check below article
If you want to implement same Country / State / City dropdownlist in Ajax with Gridview check below article