If you are using ASP.NET 2.0 or higher instead of ajax you can use CallBack feature to fill your second dropdownlist when one is changed, it would be more faster than ajax.
Type: Posts; User: Arman K.; Keyword(s):
If you are using ASP.NET 2.0 or higher instead of ajax you can use CallBack feature to fill your second dropdownlist when one is changed, it would be more faster than ajax.