Using Ajax to Practice Cascading Drop-down Lists
Jianzhong Li · Yinshan Academic Journal · 2009
Ajax Control Toolkit can design the framework of cascading drop-down lists. The framework is practiced by CascadingDropDown controls in Toolkit. Generally,cascading drop-down lists are used hierarchical linkage or group selecting associated information from the database. When use CascadingDropDown control,you need to add the Web service file,in this file coding method of group selecting data.