级联下拉列表 [英] Cascading drop down list

问题描述

大家好，

我想把国家，州和城市的级联下拉列表。为此，我必须将所有国家，城市和州置于数据库中，或者还有其他方法可以做到这一点。请建议。

解决方案

Ajax工具中的CascadingDropDown：





< a href =http://www.asp.net/AjaxLibrary/AjaxControlToolkitSampleSite/CascadingDropDown/CascadingDropDown.aspx> http://www.asp.net/AjaxLibrary/AjaxControlToolkitSampleSite/CascadingDropDown/CascadingDropDown.aspx [< a href =http://www.asp.net/AjaxLibrary/AjaxControlToolkitSampleSite/CascadingDropDown/CascadingDropDown.aspxtarget =_ blanktitle =New Window> ^ ]





http：//www.asp。 net / AjaxLibrary / AjaxControlToolkitSampleSite / Walkthrough / CCDWithDB.aspx [ ^ ]

Hi Everyone,
I want to put the cascading drop down list for country, state and city. For that i have to put all the country, city and states in database or is there any other way to do this. Please suggest.

解决方案

CascadingDropDown in Ajax Tools:


http://www.asp.net/AjaxLibrary/AjaxControlToolkitSampleSite/CascadingDropDown/CascadingDropDown.aspx[^]


http://www.asp.net/AjaxLibrary/AjaxControlToolkitSampleSite/Walkthrough/CCDWithDB.aspx[^]

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