一个用webservice behavior实现的三级联动下拉列表框
一个用webservice behavior实现的三级联动下拉列表框我做了一个三级联动的下拉列表框，后台用webservice,前台用webservice behavior与后台通讯。请高手们多提改进意见。
server端：（service1.asmx.cs)
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http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifusingSystem.Data;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifusingSystem.Data.SqlClient;
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client端(htmlpage1.htm)
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