如何使用AJAX加载下拉列表 [英] how to load Dropdown list using AJAX

问题描述

我正在使用两个Dropdown List.now我想更新第一个索引更改的第二个下拉列表，不用重新加载页面。任何一个可以帮助meeeeee的人/>

推荐答案

在ajax更新面板的帮助下尝试。

try with the help of ajax update panel.

<asp:ScriptManager ID="ScriptManager1" runat="server">
    </asp:ScriptManager>
    <asp:UpdatePanel ID="UpdatePanel1" runat="server">
        <asp:DropDownList runat="server">
        </asp:DropDownList>
    </asp:UpdatePanel>

更多信息回复，我希望你的问题已解决。

for more information reply, I hope are your problem as been solve.

请参考这些链接



实际上有很多在线文章可以演示基于ajax的级联下拉菜单



< a href =http://www.aspsnippets.com/Articl ES / AJAX的级联-DropDownList的样本与 - 数据库使用-ASPNet.aspx> http://www.aspsnippets.com/Articles/AJAX-Cascading-DropDownList-sample-with-database-using-ASPNet.aspx [ ^ ]



http://www.asp.net/ajaxlibrary/ajaxcontroltoolkitsamplesite/walkthrough/ccdwithdb.aspx [ ^ ]



http://www.asp.net/ajaxlibrary/ajaxcontroltoolkitsamplesite/cascadingdropdown/cascadingdropdown.aspx [ ^ ]



希望这会有所帮助......

Refer these links

Actually there are loads of articles available online which demonstrates ajax based cascade dropdowns

http://www.aspsnippets.com/Articles/AJAX-Cascading-DropDownList-sample-with-database-using-ASPNet.aspx[^]

http://www.asp.net/ajaxlibrary/ajaxcontroltoolkitsamplesite/walkthrough/ccdwithdb.aspx[^]

http://www.asp.net/ajaxlibrary/ajaxcontroltoolkitsamplesite/cascadingdropdown/cascadingdropdown.aspx[^]

Hope this helps...

你也可以在Jquery的帮助下。这很容易理解......

请求进一步讨论？

U can take the help of Jquery as well. It's easy to understand...
Please ask for further discussions??

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