如何将数据异步加载到组合框中 [英] How to Load data asynchronously into combobox

问题描述

嗨朋友们，



我需要简单的应用程序，通过从combobox1中选择一个项目，它将在数据库中搜索该字段并且将找到多个结果并将其加载到combobox2中。是否可以在没有完整页面回发的情况下执行此操作。我想要再次刷新第二个组合框并在此加载期间显示一些加载符号。



建议执行此操作

解决方案

看到这个链接也许它对你有所帮助......

链接： DropDownList，包含ASP中的国家，州和城市。 NET

Hi Friends,

I have a requirement of simple application in which by selecting an item from combobox1, it''ll search in a database with that field and multiple results will be found and will be loaded into combobox2. Is it possible to to do this without full page post back. I want that 2nd combobox to be refreshed again and during this loading some Loading symbol to be shown.

Suggestions to do this

解决方案

See this link maybe it''s help you...
Link: DropDownList with country, state and city in ASP. NET

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