请帮助有关asp.net(C#)中的两个嵌套数据列表 [英] please help about two nested datalist in asp.net (C#)

问题描述

大家好！
我是ASP.NET的初学者
我有两个嵌套数据列表的问题.
我有两个数据表:组(IdGroup，Group)，主题(IdTopic，Topic，IdGroup)

现在，我想显示数据如下:

Hello everyone!
I am a beginner to ASP.NET
I have a problem with two nested datalists.
I have two data tables : Group (IdGroup,Group), Topic (IdTopic,Topic,IdGroup)

Now, I want to show data as follows:

<br />
A<br />
  A1<br />
  A2<br />
  A3<br />
B<br />
  B1<br />
  B2<br />
  B3<br />
C<br />
  C1<br />
  C2<br />
  C3<br />

我尝试使用ItemDataBound事件，但未运行.
希望您能够帮助我.我需要帮助.

这是我正在做的示例 http://www.mediafire.com/?iljmm2iinnm

感谢您的阅读.

I tried to use the ItemDataBound event but it does not run.
Hope you can help me. I am in need of help.

Here''s an example I am doing http://www.mediafire.com/?iljmm2iinnm

Thanks for reading.

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